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

[Andrew Cagney]

New commits:
commit 13fc59775400512215a9e1df98a4d6786aa6f1fd
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Sep 20 14:14:09 2018 -0400

    testing: drop --impair retransmits, no longer used