Cutscenes need a GUI

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@12599 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/irr_driver.cpp

@@ -1641,6 +1641,7 @@ void IrrDriver::update(float dt)
         m_video_driver->beginScene(/*backBuffer clear*/false, /*zBuffer*/true,
                                    world->getClearColor());
         m_scene_manager->drawAll();
+        GUIEngine::render(dt);
         m_video_driver->endScene();
         return;
     }