emit subtitlechanged after refreshing subtitles
emit subtitlechanged after refreshing subtitles

This was previous done in the addSubtitle metafunction -> got removed

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