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

[Andrew Cagney]

New commits:
commit 4649e839baa6cf97b0fa8c83beeb4d6e81861e88
Author: Andrew Cagney <andrew.cagney at gmail.com>
Date:   Thu Jun 28 17:09:37 2018 -0400

    building: cleanup netbsd.mk