salut_muc_manager_foreach_channel_class: add D-Bus tube
salut_muc_manager_foreach_channel_class: add D-Bus tube

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