Workaround for GCC7 fallthrough bug.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11161 35acf78f-673a-0410-8e92-d51de3d6d3f4

demos/STM32/RT-STM32F746G-DISCOVERY/main.c

@@ -48,7 +48,7 @@ int main(void) {
    * - Kernel initialization, the main() function becomes a thread and the
    *   RTOS is active.
    */
- halInit();
+  halInit();
   chSysInit();
 
   /*

os/rt/src/chschd.c

@@ -334,11 +334,11 @@ static void wakeup(void *p) {
     chSemFastSignalI(tp->u.wtsemp);
 #endif
     /* Falls through.*/
+  case CH_STATE_QUEUED:
+    /* Falls through.*/
 #if (CH_CFG_USE_CONDVARS == TRUE) && (CH_CFG_USE_CONDVARS_TIMEOUT == TRUE)
   case CH_STATE_WTCOND:
 #endif
-    /* Falls through.*/
-  case CH_STATE_QUEUED:
     /* States requiring dequeuing.*/
     (void) queue_dequeue(tp);
     break;