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

[D. Hugh Redelmeier]

New commits:
commit 59257fe0318e2e5f681641a3d57827eeeb97d5cf
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sat Feb 21 14:03:19 2015 -0500

    minor tidy
    - don't treat err_t as a boolean
    - combine declaration and initialization off err_t is adjacent
    - reduce scope of some auto variables
    - fix some whitespace