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

[Andrew Cagney]

New commits:
commit af1ac7477d06a36b0b219800392a484f2c29f2ab
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Jan 26 13:10:07 2018 -0500

    chunk: move code to chunk.h and chunk.c, add chunk() constructor
    
    Prefer including "chunk.h" over "lswalloc.h".