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

[D. Hugh Redelmeier]

New commits:
commit 37c55a348d451df658e0f53af3001dc5144bf65e
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sun May 26 14:31:56 2019 -0400

    pluto: virtual.c: further clarify comments about syntax of leftsubnet= virtual spec