reducing capabilities of the threads to a minimum

proper flush of pending packets on daemon shutdown
adding local address as gateway address in dynamic route

src/charon/control/interfaces/xml_interface.c

@@ -59,5 +59,5 @@ interface_t *interface_create()
 
 	this->public.interface.destroy = (void (*)(xml_interface_t*))destroy;
 	
-	return &this->public;
+	return &this->public.interface;
 }