tp_base_contact_list_request_helper: allow requesting group channels if we support groups at all
tp_base_contact_list_request_helper: allow requesting group channels if we support groups at all

Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib