bytestream IBB: check if bytestream is already closed before closing it
bytestream IBB: check if bytestream is already closed before closing it


20070524112515-7fe3f-65ee2e440151aab3baaaa688546fdc6f9fdb6813.gz

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