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

[Andrew Cagney]

New commits:
commit 590f75fd352f46db6ce15d730633ee300890555b
Author: Andrew Cagney <cagney at gnu.org>
Date:   Tue May 26 16:27:39 2020 -0400

    connections: add co_serial_t and a connection database
    
    anyone feeling lucky?