Added NotAvailable error to AcceptFile.
Added NotAvailable error to AcceptFile.

20080722145758-8ed0e-3c84b9c13f7b485c98f62b09a7e6974364bc3304.gz

freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut