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

[Andrew Cagney]

New commits:
commit f0b65fa44bd76cce4aed7a59087c4f23106c4748
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Feb 5 20:38:27 2021 -0500

    constants: when .ike_version==0 display <do-not-negotiate>
    
    better string? also add to test list