I have patched the pre-install scripts for OpenSSH versions 6.8p1, 6.9p1 and 7.1p1. These can be found via
http://www.aixtools.net/index.php/openssh.
I recommend you make a backup of
/var/openssh/etc before making any updates - in particular of any changes made to either
ssh_config or
sshd_config.