Don't use PLAYLIST_GO when adding directories, fix trax 16th issue

modules/gui/qt4/dialogs_provider.cpp

@@ -313,11 +313,6 @@ static void openDirectory( intf_thread_t* p_intf, bool pl, bool go )
     }
 }
 
-void DialogsProvider::openDirDialog()
-{
-    openDirectory( p_intf, true, true );
-}
-
 void DialogsProvider::PLAppendDir()
 {
     openDirectory( p_intf, true, false );

modules/gui/qt4/dialogs_provider.hpp

@@ -152,7 +152,6 @@ public slots:
     void openFileDialog();
     void openNetDialog();
     void openCaptureDialog();
-    void openDirDialog();
 
     void PLAppendDialog();
     void MLAppendDialog();

modules/gui/qt4/menus.cpp

@@ -192,7 +192,7 @@ QMenu *QVLCMenu::FileMenu()
     DP_SADD( menu, qtr( "Open &File..." ), "",
             ":/pixmaps/vlc_file-asym_16px.png", openFileDialog(), "Ctrl+O" );
     DP_SADD( menu, qtr( I_OPEN_FOLDER ), "",
-            ":/pixmaps/vlc_folder-grey_16px.png", openDirDialog(), "Ctrl+F" );
+            ":/pixmaps/vlc_folder-grey_16px.png", PLAppendDir(), "Ctrl+F" );
     DP_SADD( menu, qtr( "Open &Disc..." ), "", ":/pixmaps/vlc_disc_16px.png",
              openDiscDialog(), "Ctrl+D" );
     DP_SADD( menu, qtr( "Open &Network..." ), "",