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

[D. Hugh Redelmeier]

New commits:
commit 7157c4b1ebab0698a026e5d667ec443a12083436
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sat Oct 17 01:12:31 2015 -0400

    whack: be more careful dropping privilege
    - spell better
    - detect and report error
    
    I'm not convinced that this is actually correct logic.
    There is no explanation of when it is needed.
    Is the whack executable file ever setgid or setuid?