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

[Andrew Cagney]

New commits:
commit 6663d4ea6aef74f2cc33e9e7089fd579d34c0f48
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Mar 1 21:45:40 2019 -0500

    impair: add --impair v1-hash-payload, v1-hash-exchange, and v1-hash-check