vici: Properly skip raise_event() for unknown event names

src/libcharon/plugins/vici/vici_dispatcher.c

@@ -437,7 +437,6 @@ METHOD(vici_dispatcher_t, raise_event, void,
 	if (event)
 	{
 		event->uses++;
-	}
 		this->mutex->unlock(this->mutex);
 
 		enumerator = array_create_enumerator(event->clients);
@@ -455,6 +454,7 @@ METHOD(vici_dispatcher_t, raise_event, void,
 		{
 			this->cond->broadcast(this->cond);
 		}
+	}
 	this->mutex->unlock(this->mutex);
 
 	message->destroy(message);