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

[Andrew Cagney]

New commits:
commit ccb3c1708533df77fdae6e5797b8dc468bc6b6ef
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Sep 30 10:05:35 2021 -0400

    connections: move co_serial_t to defs.h, grr