Fixed: disappearing when changing desktop

git-svn-id: https://svn.code.sf.net/p/kooldock/code@59 9f32970d-5c29-0410-a1d8-a3be4640426c
Signed-off-by: Alexander Golubev <fatzer2@gmail.com>

src/kooldock.cpp

@@ -3674,6 +3674,7 @@ void KoolDock::refreshBackground()
     KPixmapEffect::fade(bottomBgf, ((float) dockOpacity) * 0.01, bgColor);
   }
   show();
+  KWin::setOnAllDesktops(winId(),true);
   paintEvent(NULL);
 }