add _gabble_roster_send_presence_ack function to avoid duplication
add _gabble_roster_send_presence_ack function to avoid duplication


20060509183652-0e791-0762ed7e84b2667fe1643c73b8bef375e9770ca1.gz

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