gabble_tubes_channel_offer_d_bus_tube: call gabble_tube_dbus_offer with muc D-Bus tubes too
gabble_tubes_channel_offer_d_bus_tube: call gabble_tube_dbus_offer with muc D-Bus tubes too

jku/telepathy-gabble,community-ssu/telepathy-gabble,jku/telepathy-gabble,jku/telepathy-gabble,community-ssu/telepathy-gabble,community-ssu/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,community-ssu/telepathy-gabble