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

[D. Hugh Redelmeier]

New commits:
commit df4ab8d344024a25fb954f3c39adaa280a859360
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Tue Jul 24 22:04:48 2018 -0400

    makefiles: fix grammar of a message