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

[Andrew Cagney]

New commits:
commit 3fdd83a77634eb30767051cc2f10dbbab29e6e16
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Nov 26 13:42:37 2018 -0500

    IKE SPIs: eliminate is_zero_cookie(), use ike_spi_is_zero()