Extensions/Qt: new method ExtensionManager::getManager()

Returns a direct pointer to the extensions_manager_t

modules/gui/qt4/extensions_manager.hpp

@@ -63,6 +63,14 @@ public:
     inline bool isUnloading() { return b_unloading; }
     void menu( QMenu *current );
 
+    /** Get the extensions_manager_t if it is loaded and hold the object */
+    extensions_manager_t* getManager()
+    {
+        if( !p_extensions_manager ) return NULL;
+        vlc_object_hold( p_extensions_manager );
+        return p_extensions_manager;
+    }
+
 public slots:
     bool loadExtensions();
     void unloadExtensions();