GabbleMediaChannel: contact_is_media_capable: make variables less confusing
GabbleMediaChannel: contact_is_media_capable: make variables less confusing

Note to wjt: this isn't Haskell :-)

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