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

[D. Hugh Redelmeier]

New commits:
commit adcf8a43a81c62c73b2c6b8a3f93a99c4998f2c6
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sun Oct 29 11:27:33 2017 -0400

    libswan/libunbound.c: protect value of errno between setting and reporting