[Gstreamer] Fix changing audio track
[Gstreamer] Fix changing audio track

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