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

[Andrew Cagney]

New commits:
commit 4d0b1a09402f5cbf3d053112c2d7ac50775f5f15
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Mar 20 14:46:02 2017 -0400

    lib: let alg_info's .alg_info_add() callback return errors
    
    So that the caller (for instance, algparse) can detect and log
    problems, rather than stumbling on.