svn commit: r311264 - vendor/zlib

[Xin LI]

Author: delphij
Date: Wed Jan  4 08:04:58 2017
New Revision: 311264
URL: https://svnweb.freebsd.org/changeset/base/311264

Log:
  Copy vendor/libz at 250225 to vendor/zlib.

Added:
  vendor/zlib/
     - copied from r250225, vendor/libz/