fix IAR/CM0/portmacro.h missing semicolon (#894)

Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com>
diff --git a/portable/IAR/ARM_CM0/portmacro.h b/portable/IAR/ARM_CM0/portmacro.h
index fa8438f..88cba20 100644
--- a/portable/IAR/ARM_CM0/portmacro.h
+++ b/portable/IAR/ARM_CM0/portmacro.h
@@ -87,18 +87,18 @@
 #define portNVIC_INT_CTRL     ( ( volatile uint32_t * ) 0xe000ed04 )
 #define portNVIC_PENDSVSET    0x10000000
 #define portYIELD()                vPortYield()
-#define portEND_SWITCHING_ISR( xSwitchRequired )        \
-    do                                                  \
-    {                                                   \
-        if( xSwitchRequired != pdFALSE )                \
-        {                                               \
-            traceISR_EXIT_TO_SCHEDULER();               \
-            *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET \
-        }                                               \
-        else                                            \
-        {                                               \
-            traceISR_EXIT();                            \
-        }                                               \
+#define portEND_SWITCHING_ISR( xSwitchRequired )         \
+    do                                                   \
+    {                                                    \
+        if( xSwitchRequired != pdFALSE )                 \
+        {                                                \
+            traceISR_EXIT_TO_SCHEDULER();                \
+            *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; \
+        }                                                \
+        else                                             \
+        {                                                \
+            traceISR_EXIT();                             \
+        }                                                \
     } while( 0 )
 #define portYIELD_FROM_ISR( x )    portEND_SWITCHING_ISR( x )
 /*-----------------------------------------------------------*/