add fsctl loglevel [<level>] fsctl command

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5790 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch.c

@@ -68,7 +68,7 @@ static HANDLE shutdown_event;
  */
 static void handle_SIGHUP(int sig)
 {
-	uint32_t arg = 0;
+	int32_t arg = 0;
 	if (sig);
 	/* send shutdown signal to the freeswitch core */
 	switch_core_session_ctl(SCSC_SHUTDOWN, &arg);