Fix Phonon's video renderer on windows with opengl
Fix Phonon's video renderer on windows with opengl

Now we use opengl 2.

Reviewed-by: Samuel

KDE/phonon-xine,KDE/phonon-directshow,shadeslayer/phonon-gstreamer,KDE/phonon-quicktime,KDE/phonon-mmf,KDE/phonon-xine,KDE/phonon-gstreamer,shadeslayer/phonon-gstreamer,shadeslayer/phonon-gstreamer,KDE/phonon-waveout,KDE/phonon-directshow,KDE/phonon-gstreamer,KDE/phonon-xine