Log Message:
Update openssh to 7.2.2 (7.2p2).

Changes since OpenSSH 7.2p1
===========================

This release fixes a security bug:

 * sshd(8): sanitise X11 authentication credentials to avoid xauth
   command injection when X11Forwarding is enabled.

   Full details of the vulnerability are available at:
   http://www.openssh.com/txt/x11fwd.adv