update wocky snapshot
update wocky snapshot

Changes in this update:

 * Gnutls SSL backend fixes.
 * Implement whitespace pings in the c2s porter.
 * Fix the pubsub event node generator to put the node in the right
   place.
 * and a few more misc. fixes here and there.

Signed-off-by: Jonny Lamb <3d1fb3642aaab2ff70e3392a5ab916bf99eed6a3@collabora.co.uk>

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