McdDispatcher: always keep the dispatcher context ref'd until ready-to-dispatch
McdDispatcher: always keep the dispatcher context ref'd until ready-to-dispatch

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control