create_transfer_offer: use gibber_transport_get_sockaddr and a struct sockaddr_storage so we can store an IPv6 address
create_transfer_offer: use gibber_transport_get_sockaddr and a struct sockaddr_storage so we can store an IPv6 address

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