Fix no prototype functions

Issue: #I6LPWU
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: Ie71993bf0d9fc061f9c481e362d5a94148e925fa

drivers/pipes/pipe.c

@@ -357,7 +357,7 @@ errout:
   return VFS_ERROR;
 }
 
-int pipe_init()
+int pipe_init(void)
 {
     int ret = sem_init(&g_pipesem, 0, 1);
     if (ret != 0) {