[Swan-commit] Changes to ref refs/heads/master

[Andrew Cagney]

New commits:
commit 7ca9b0d1718796b6d0bf67457e1a0fae21c8706d
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Mar 12 20:05:24 2018 -0400

    ietf: OAKLEY_GROUP_invalid -> OAKLEY_GROUP_NONE per RFC 7296
    
    And fix several cases of POINTER!=OAKLEY_GROUP_invalid.