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

[Andrew Cagney]

New commits:
commit 053570a2655dc1a1e82e8226eed27bdc28ebe4fe
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed Apr 29 15:48:24 2015 -0400

    building: undefine _FORTIFY_SOURCE before defining it
    
    Gentoo helpfully pre-defines it.