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

[Andrew Cagney]

New commits:
commit e55aa094dc867240555488937968642fc4b319ad
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Jun 29 14:53:55 2018 -0400

    building: delete debian.mk
    
    Debian assumed to be using mk/defaults/linux.mk