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

[Andrew Cagney]

New commits:
commit f408c3bdb76376f1a3991a042dc1aca7580ce9f3
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu May 13 10:31:01 2021 -0400

    connections: in release_connection(), don't expect CK_INSTANCE
    
    Caller's problem.