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

[D. Hugh Redelmeier]

New commits:
commit 6f75ff39164277a866cb41e1327148b7bd4a25e3
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Mon Jun 26 18:14:57 2017 -0400

    oid.pl: C macro bodies need to be protected by parens