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

[Andrew Cagney]

New commits:
commit f197734db5c53b20b0bbd15a34688473d33d3aeb
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Mar 5 13:09:03 2018 -0500

    demux: add clone_md() and remember if a message was cloned
    
    replaces dup_md()