fix repeated creation (and leaking) of self_jid when invited to a MUC
fix repeated creation (and leaking) of self_jid when invited to a MUC


20080726234603-418b8-34208096c5effb1d2fc61c5d2279f91a22bec933.gz

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