phonon: fix uninitialized value (Not sure if that's the right value so feel free to change the value if needed).
phonon: fix uninitialized value (Not sure if that's the right value so feel
free to change the value if needed).

KDE/phonon-vlc,panzi/phonon-vlc,panzi/phonon-vlc,KDE/phonon-vlc,BinChengfei/phonon-vlc,KDE/phonon-vlc,BinChengfei/phonon-vlc,BinChengfei/phonon-vlc