[patch] update zlib to the 1.2.10 release.

[Matthias Klose]

On 12.01.2017 22:17, Jeff Law wrote:
> On 01/05/2017 07:45 AM, Matthias Klose wrote:
>> These are the changes updating zlib from 1.2.8 to 1.2.10. It is only used when
>> building without a system zlib.  The new release includes fixes for security
>> issues CVE-2016-9840, CVE-2016-9841, CVE-2016-9842, CVE-2016-9843.
>>
>> Checked with a build with disabled system-zlib. Ok for the trunk?
> Were there any changes that we needed to carry forward or any changes you needed
> to make to the upstream sources?

I backed out the changes to the configure* and Makefile* changes (and only
these), which are completely different to zlib upstream. There are no
additions/deletions to zlib source files, so these build changes still work with
the updated zlib.

Matthias