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

[Andrew Cagney]

New commits:
commit c160576080cf33c4cd715df7d76dd9f57ea8f1a9
Author: Andrew Cagney <cagney at gnu.org>
Date:   Sat Mar 17 20:06:11 2018 -0400

    testing: add --impair timeout-on-retransmit, tweak tests with slow crypto