cleanup

- In list.h fix a typo in comments.
- In heap_1.c define vars at the same level as they are used.
- In portable/ThirdParty/GCC/Posix/port.c fix compiler warning about
  "gcc -Wwrite-strings".

Signed-off-by: Florian La Roche <Florian.LaRoche@gmail.com>

include/list.h

@@ -44,7 +44,7 @@
  *
  * In addition to it's value, each list item contains a pointer to the next
  * item in the list (pxNext), a pointer to the list it is in (pxContainer)
- * and a pointer to back to the object that contains it.  These later two
+ * and a pointer back to the object that contains it.  These later two
  * pointers are included for efficiency of list manipulation.  There is
  * effectively a two way link between the object containing the list item and
  * the list item itself.

portable/MemMang/heap_1.c

@@ -84,10 +84,10 @@ void * pvPortMalloc( size_t xWantedSize )
     /* Ensure that blocks are always aligned. */
     #if ( portBYTE_ALIGNMENT != 1 )
     {
-        size_t xAdditionalRequiredSize;
-
         if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 )
         {
+            size_t xAdditionalRequiredSize;
+
             /* Byte alignment required. */
             xAdditionalRequiredSize = portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK );
 

portable/ThirdParty/GCC/Posix/port.c

@@ -193,7 +193,7 @@ void prvFatalError( const char * pcCall,
 }
 /*-----------------------------------------------------------*/
 
-static void prvPortSetCurrentThreadName( char * pxThreadName )
+static void prvPortSetCurrentThreadName( const char * pxThreadName )
 {
     #ifdef __APPLE__
         pthread_setname_np( pxThreadName );