do an infinite loop calling event_loop_once() in the ctdbd parent process instead of event_loop_wait() since the latter will return and thus take down the daemon

(This used to be ctdb commit 26ffd166c176deb7e2437f3ee87887f8b57435e7)

ctdb/direct/ctdbd.c

@@ -129,7 +129,10 @@ int main(int argc, const char *argv[])
 	/* start the protocol running */
 	ret = ctdb_start(ctdb);
 
-	event_loop_wait(ev);
+/*	event_loop_wait(ev);*/
+	while (1) {
+		event_loop_once(ev);
+	}
 
 	/* shut it down */
 	talloc_free(ev);