salut_tubes_manager_caps_diff: check hash tables size first
salut_tubes_manager_caps_diff: check hash tables size first

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