Fix peer_cert_hash memory leaks
Fix peer_cert_hash memory leaks

Spotted while running Pulse code under Valgrind

Signed-off-by: David Woodhouse <97b3379caa91f4ee97e44013ae4dc6350540fa9d@infradead.org>

brandt/openconnect,brandt/openconnect,brandt/openconnect,brandt/openconnect