fixed a typo

fabpot · fabpot · commit 44b890ee6886 · 2013-09-29T20:27:12.000+02:00
diff --git a/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php b/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
@@ -446,7 +446,7 @@ private function wrapListener($eventName, $listener)
         return function (Event $event) use ($self, $eventName, $listener) {
             $e = $self->preListenerCall($eventName, $listener);
 
-            call_user_func($listener, $event, $eventName, $this);
+            call_user_func($listener, $event, $eventName, $self);
 
             $e->stop();
 
