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

[Andrew Cagney]

New commits:
commit ad7523291913d739262986791b198c10e9d4b6ab
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Feb 3 12:46:51 2020 -0500

    demux: reference count msg_digest
    
    So that the main thread can't release a msg_digest while
    it is being used by a helper thread.
    
    So that IKE and CHILD SAs can share a suspended digest.