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

[Andrew Cagney]

New commits:
commit 1234c97d21c5897025fc0167e32a87a90cdd336e
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Jul 3 17:42:49 2020 -0400

    testing: update tcp keepalive - expect it to work