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

[Andrew Cagney]

New commits:
commit 642dbece0e74a465d46da6ccbc7aa782d5a1c25a
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Dec 11 11:59:05 2017 -0500

    crypto: delete declaration of build_child_dh_v2(); no implementation