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

[Andrew Cagney]

New commits:
commit e2e9b61b1fd68af347dd82b50b0ed2ea5b0fe3ac
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Jun 11 15:55:35 2020 -0400

    ip: delete subnet_contains_endpoint(), test subnet_in_subnet() et.al.