wocky_stanza_get_type_info(): get top node once
wocky_stanza_get_type_info(): get top node once

freedesktop-unofficial-mirror/wocky,freedesktop-unofficial-mirror/wocky,noonien-d/wocky,noonien-d/wocky,noonien-d/wocky,freedesktop-unofficial-mirror/wocky