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

[Andrew Cagney]

New commits:
commit 7b718bd025590426d84de334bdf002c6101e213f
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed May 20 17:45:24 2020 -0400

    building: fix typo in #ifdef IPV6_USE_MIN_MTU in iface_tcp.c