git: Put note about DSA OpenSSH key deprecation, from 5 versions ago, into UPDATING. This probably affects nobody at this point, but now I can feel better about removing it from release notes where it keeps getting reprinted.

[Justin C. Sherrill]

commit 4d6bb23e9e45881777e87426d751c913602155b6
Author: Justin C. Sherrill <***@shiningsilence.com>
Date: Sun Nov 25 21:45:51 2018 -0500

Put note about DSA OpenSSH key deprecation, from 5 versions ago, into UPDATING.
This probably affects nobody at this point, but now I can feel better about
removing it from release notes where it keeps getting reprinted.

Summary of changes:
UPDATING | 8 ++++++++
1 file changed, 8 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4d6bb23e9e45881777e87426d751c913602155b6