message: Add the ability to change the "Size" property for windows.
diff: @@ -476,9 +476,16 @@ void NativeWindowSystem::ChangeWindowProperties(NativeWindow* win, QList< Native
  if(props.contains(NativeWindow::Icon)){
  }
  - if(props.contains(NativeWindow::MinSize) || props.contains(NativeWindow::MaxSize)
  - || props.contains(NativeWindow::Size) || props.contains(NativeWindow::GlobalPos) ){
  -
  + if(props.contains(NativeWindow::Size) ){
  + xcb_configure_window_value_list_t valList;
  + uint16_t mask = 0;
  + //if(props.contains(NativeWindow::Size)){
  + QSize sz = vals[ props.indexOf(NativeWindow::Size) ] .toSize();
  + valList.width = sz.width();
  + valList.height = sz.height();
  + mask = mask & XCB_CONFIG_WINDOW_WIDTH & XCB_CONFIG_WINDOW_HEIGHT;
  + //}
  + xcb_configure_window_aux(QX11Info::connection(), win->id(), mask, &valList);
  }
  if(props.contains(NativeWindow::Name)){
  