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

[D. Hugh Redelmeier]

New commits:
commit 3837de7dae6d17fdaa607012699d5094ac134f02
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sat Jun 2 07:21:24 2018 -0400

    pluto: don't leak result of cisco_stringify; related tidying