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

[Andrew Cagney]

New commits:
commit 1b37d02b30ca358ddf5afdea3d25760b4fb68e79
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Feb 24 17:06:39 2017 -0500

    testing: add interop test for DH19, DH20, and DH21 with strongswan