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

[Andrew Cagney]

New commits:
commit a31bc5e7f37d75d510dce0260bcd96a9d0bc5c3d
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Aug 8 20:43:11 2019 -0400

    ip_subnet: eliminate subnettypeof(), use subnet_info()