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

[Andrew Cagney]

New commits:
commit 6e6225f4c03bbb3a146aa58c09ac71b020ed2ff1
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Jan 24 13:34:34 2019 -0500

    building: add opaque struct declarations to ikev[21].h