update comment about setDesktopSettingsAware()

modules/gui/qt4/qt4.cpp

@@ -275,7 +275,7 @@ static void Init( intf_thread_t *p_intf )
      * because it asks gconf for some settings that timeout because of threads
      * see commits 21610 21622 21654 for reference */
 
-    /* If you are under KDE, Xfce or e17, you should comment this line */
+    /* If you don't have a gconftool-2 binary, you should comment this line */
     QApplication::setDesktopSettingsAware( false );
 #endif