Qt: fix inclusion pathes

modules/gui/qt4/components/playlist/selector.cpp

@@ -31,7 +31,7 @@
 #include "components/playlist/selector.hpp"
 #include "playlist_model.hpp"
 #include "qt4.hpp"
-#include "../../dialogs_provider.hpp"
+#include "dialogs_provider.hpp"
 #include "playlist.hpp"
 #include "util/customwidgets.hpp"
 

modules/gui/qt4/dialogs/extensions.cpp

@@ -22,7 +22,7 @@
  *****************************************************************************/
 
 #include "extensions.hpp"
-#include "../extensions_manager.hpp" // for isUnloading()
+#include "extensions_manager.hpp" // for isUnloading()
 
 #include <vlc_dialog.h>
 

modules/gui/qt4/dialogs/playlist.hpp

@@ -25,7 +25,7 @@
 #define QVLC_PLAYLIST_DIALOG_H_ 1
 
 #include "util/qvlcframe.hpp"
-#include "../components/playlist/playlist.hpp"
+#include "components/playlist/playlist.hpp"
 #include "util/singleton.hpp"
 
 #include <QModelIndex>