muc-manager: no need to remove twice the same channel when closing it
muc-manager: no need to remove twice the same channel when closing it


20070620161139-7fe3f-fa015e5fe75a980191fe6005a9b380ecff5ae984.gz

freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut