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

[Andrew Cagney]

New commits:
commit b4bb25ff59328e972ff4b4cdd7e5e7cbeac2c7aa
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed Nov 24 13:56:18 2021 -0500

    starterwhack: reject invalid *subnets= entries outright
    
    was warning and stumbling on which ment the entry was "unset"
    or, worse, undefined