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

[D. Hugh Redelmeier]

New commits:
commit ad67c45e0b69f1b39e3f89c558dd142f0519bbbd
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sun Dec 15 17:53:51 2013 -0500

    tidy safe_socket (remove gotos)