Qt4 - cosmetic and trailing spaces. symbols fix.

modules/gui/qt4/playlist_model.hpp

@@ -66,7 +66,7 @@ protected:
     int i_id;
     int i_input_id;
     int i_showflags;
-    
+
     void updateview( void );
     friend class PLModel;
 private:
@@ -121,7 +121,7 @@ public:
 
     bool b_need_update;
     int i_items_to_append;
-   
+
     void rebuild(); void rebuild( playlist_item_t *);
     bool hasRandom(); bool hasLoop(); bool hasRepeat();
 
@@ -141,7 +141,7 @@ public:
 
     void sendArt( QString url );
     void removeArt( );
-    
+
     int shownFlags() {  return rootItem->i_showflags;  }
 private:
     void addCallbacks();
@@ -198,7 +198,9 @@ private slots:
     void popupInfo();
     void popupStream();
     void popupSave();
+#ifdef WIN32
     void popupExplore();
+#endif
     void viewchanged( int );
 friend class PLItem;
 };