gibber-oob-file-transfer: properly unref the SoupSession
gibber-oob-file-transfer: properly unref the SoupSession

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