tools/nxstyle.c: Add logic to detect if there is a blank line following the final right brace. sched/: Applied the modified nxstyle to all C file as a test.

sched/semaphore/sem_holder.c

@@ -676,7 +676,6 @@ static int nxsem_restoreholderprioB(FAR struct semholder_s *pholder,
 
   if (pholder->htcb == rtcb)
     {
-
       /* The running task has given up a count on the semaphore */
 
 #if CONFIG_SEM_PREALLOCHOLDERS == 0

sched/semaphore/sem_setprotocol.c

@@ -96,6 +96,7 @@ int nxsem_setprotocol(FAR sem_t *sem, int protocol)
   switch (protocol)
     {
       case SEM_PRIO_NONE:
+
         /* Disable priority inheritance */
 
         sem->flags |= PRIOINHERIT_FLAGS_DISABLE;
@@ -106,12 +107,14 @@ int nxsem_setprotocol(FAR sem_t *sem, int protocol)
         return OK;
 
       case SEM_PRIO_INHERIT:
+
         /* Enable priority inheritance (dangerous) */
 
         sem->flags &= ~PRIOINHERIT_FLAGS_DISABLE;
         return OK;
 
       case SEM_PRIO_PROTECT:
+
         /* Not yet supported */
 
         return -ENOSYS;