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

[D. Hugh Redelmeier]

New commits:
commit a61b0755e42f3d8c6496deab41913a3b0c1a8931
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Tue Aug 6 12:18:54 2019 -0400

    libswan: ip_subnet: simplify and clarify mashup()