Remove left-over VOCTRL_GUI_NOWINDOW usage

The control VOCTRL_GUI_NOWINDOW was dropped in r36959.

Patch-By: Erik Auerswald >auerswal unix-ag.uni-kl de<


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@36963 b3059339-0415-0410-9bf9-f77b7e298cf2