Phonon MMF: change to PausedState, not StoppedState when finished
Phonon MMF: change to PausedState, not StoppedState when finished

This behaviour is required by the testPauseOnFinish step in
tst_mediaobject.

Reviewed-by: Frans Englich

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