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

[Andrew Cagney]

New commits:
commit 21b09d71faf9b1a0647a2fd73343ab358c57a610
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed May 30 12:10:48 2018 -0400

    includes: move sys/cdefs.h like macros to lswcdefs.h
    
    Extracting them from the linux centric libreswan.h nee openswan.h.
    
    For instance PRINTF_LIKE.