Log Message:
Update to 2.071

Upstream changes:
2.071 30 Dec 2016

      * #119580 (inflate.c: One (last?) compilation warning)
        Identical issue reeported in upstream zlib
             https://github.com/madler/zlib/issues/111

        Fix checked into zlib dev codeline via
            \ 
https://github.com/madler/zlib/commit/2edb94a3025d288dc251bc6cbb2c02e60fbd7438

  2.070 28 Dec 2016

      * #107642: compilation warning from inflate.c

      * #119007: [PATCH] Wrong FLAG_APPEND logic analog to Bzip2