Fix build with C90 (#1036)

* Fix build with C90

* Fix formatting

include/task.h

@@ -181,8 +181,9 @@ typedef struct xTASK_STATUS
 typedef enum
 {
     eAbortSleep = 0, /* A task has been made ready or a context switch pended since portSUPPRESS_TICKS_AND_SLEEP() was called - abort entering a sleep mode. */
-    eStandardSleep,            /* Enter a sleep mode that will not last any longer than the expected idle time. */
+    eStandardSleep   /* Enter a sleep mode that will not last any longer than the expected idle time. */
     #if ( INCLUDE_vTaskSuspend == 1 )
+        ,
         eNoTasksWaitingTimeout /* No tasks are waiting for a timeout so it is safe to enter a sleep mode that can only be exited by an external interrupt. */
     #endif /* INCLUDE_vTaskSuspend */
 } eSleepModeStatus;