Fix: Rename parameter uxIndexToNotify to uxIndexToWaitOn (#174)

Author: ravibhagavandas

include/task.h

@@ -2558,7 +2558,7 @@ uint32_t ulTaskGenericNotifyTake( UBaseType_t uxIndexToWaitOn,
 #define ulTaskNotifyTake( xClearCountOnExit, xTicksToWait ) \
     ulTaskGenericNotifyTake( ( tskDEFAULT_INDEX_TO_NOTIFY ), ( xClearCountOnExit ), ( xTicksToWait ) )
 #define ulTaskNotifyTakeIndexed( uxIndexToWaitOn, xClearCountOnExit, xTicksToWait ) \
-    ulTaskGenericNotifyTake( ( uxIndexToNotify ), ( xClearCountOnExit ), ( xTicksToWait ) )
+    ulTaskGenericNotifyTake( ( uxIndexToWaitOn ), ( xClearCountOnExit ), ( xTicksToWait ) )
 
 /**
  * task. h