Fix formatting in various code to match spacing from coding style
diff --git a/library/memory_buffer_alloc.c b/library/memory_buffer_alloc.c
index 1f0c49d..7710ba5 100644
--- a/library/memory_buffer_alloc.c
+++ b/library/memory_buffer_alloc.c
@@ -306,7 +306,7 @@
 
 #if defined(POLARSSL_MEMORY_DEBUG)
         heap.total_used += cur->size;
-        if( heap.total_used > heap.maximum_used)
+        if( heap.total_used > heap.maximum_used )
             heap.maximum_used = heap.total_used;
 #endif
 #if defined(POLARSSL_MEMORY_BACKTRACE)
@@ -361,7 +361,7 @@
     if( heap.header_count > heap.maximum_header_count )
         heap.maximum_header_count = heap.header_count;
     heap.total_used += cur->size;
-    if( heap.total_used > heap.maximum_used)
+    if( heap.total_used > heap.maximum_used )
         heap.maximum_used = heap.total_used;
 #endif
 #if defined(POLARSSL_MEMORY_BACKTRACE)