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

[Andrew Cagney]

New commits:
commit 390b0740d079d9a17a629bf94f97f3eb1ae61a31
Author: Andrew Cagney <cagney at gnu.org>
Date:   Tue Sep 3 12:04:01 2019 -0400

    ip: simplify subnet_blit()