fix typo gab -> gap and adjust indentation level (#1097)

Signed-off-by: Florian La Roche <Florian.LaRoche@gmail.com>
diff --git a/portable/ARMv8M/secure/heap/secure_heap.c b/portable/ARMv8M/secure/heap/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/ARMv8M/secure/heap/secure_heap.c
+++ b/portable/ARMv8M/secure/heap/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/GCC/ARM_CM23/secure/secure_heap.c b/portable/GCC/ARM_CM23/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/GCC/ARM_CM23/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM23/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/GCC/ARM_CM33/secure/secure_heap.c b/portable/GCC/ARM_CM33/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/GCC/ARM_CM33/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM33/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/GCC/ARM_CM35P/secure/secure_heap.c b/portable/GCC/ARM_CM35P/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/GCC/ARM_CM35P/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM35P/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/GCC/ARM_CM55/secure/secure_heap.c b/portable/GCC/ARM_CM55/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/GCC/ARM_CM55/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM55/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/GCC/ARM_CM85/secure/secure_heap.c b/portable/GCC/ARM_CM85/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/GCC/ARM_CM85/secure/secure_heap.c
+++ b/portable/GCC/ARM_CM85/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/IAR/ARM_CM23/secure/secure_heap.c b/portable/IAR/ARM_CM23/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/IAR/ARM_CM23/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM23/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/IAR/ARM_CM33/secure/secure_heap.c b/portable/IAR/ARM_CM33/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/IAR/ARM_CM33/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM33/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/IAR/ARM_CM35P/secure/secure_heap.c b/portable/IAR/ARM_CM35P/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/IAR/ARM_CM35P/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM35P/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/IAR/ARM_CM55/secure/secure_heap.c b/portable/IAR/ARM_CM55/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/IAR/ARM_CM55/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM55/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/IAR/ARM_CM85/secure/secure_heap.c b/portable/IAR/ARM_CM85/secure/secure_heap.c
index 55722d4..f77320e 100644
--- a/portable/IAR/ARM_CM85/secure/secure_heap.c
+++ b/portable/IAR/ARM_CM85/secure/secure_heap.c
@@ -234,7 +234,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */
diff --git a/portable/MemMang/heap_1.c b/portable/MemMang/heap_1.c
index 0f76613..f697c90 100644
--- a/portable/MemMang/heap_1.c
+++ b/portable/MemMang/heap_1.c
@@ -65,7 +65,7 @@
 #if ( configAPPLICATION_ALLOCATED_HEAP == 1 )
 
 /* The application writer has already defined the array used for the RTOS
-* heap - probably so it can be placed in a special segment or address. */
+ * heap - probably so it can be placed in a special segment or address. */
     extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
 #else
     static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
diff --git a/portable/MemMang/heap_2.c b/portable/MemMang/heap_2.c
index a99a74d..fa6ea9d 100644
--- a/portable/MemMang/heap_2.c
+++ b/portable/MemMang/heap_2.c
@@ -87,7 +87,7 @@
 #if ( configAPPLICATION_ALLOCATED_HEAP == 1 )
 
 /* The application writer has already defined the array used for the RTOS
-* heap - probably so it can be placed in a special segment or address. */
+ * heap - probably so it can be placed in a special segment or address. */
     extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
 #else
     PRIVILEGED_DATA static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
diff --git a/portable/MemMang/heap_4.c b/portable/MemMang/heap_4.c
index fe15654..d1021ea 100644
--- a/portable/MemMang/heap_4.c
+++ b/portable/MemMang/heap_4.c
@@ -89,7 +89,7 @@
 #if ( configAPPLICATION_ALLOCATED_HEAP == 1 )
 
 /* The application writer has already defined the array used for the RTOS
-* heap - probably so it can be placed in a special segment or address. */
+ * heap - probably so it can be placed in a special segment or address. */
     extern uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
 #else
     PRIVILEGED_DATA static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
@@ -548,7 +548,7 @@
         pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock;
     }
 
-    /* If the block being inserted plugged a gab, so was merged with the block
+    /* If the block being inserted plugged a gap, so was merged with the block
      * before and the block after, then it's pxNextFreeBlock pointer will have
      * already been set, and should not be set here as that would make it point
      * to itself. */