Comment 9 for bug 1284025

Good spot!

Looks like we broke the .desktop file when we did the "The great cmake transition of 2014".

alan@deep-thought:/tmp/music$ diff 329/music-app.desktop 350/com.ubuntu.music_music.desktop | grep Exec
> Exec=qmlscene music-app.qml
< Exec=qmlscene ./music-app.qml --file=%f -I ./plugins