Updated: {mingw64-{i686,x86_64}-,}zlib-1.3.1-1

[ASSI]

The following packages have been uploaded to the Cygwin distribution:

* zlib0-1.3.1-1
* zlib-devel-1.3.1-1
* mingw64-i686-zlib-1.3.1-1
* mingw64-x86_64-zlib-1.3.1-1

zlib is designed to be a free, general-purpose, lossless
data-compression library for use on virtually any computer hardware and
operating system.  The zlib data format is itself portable across
platforms.

This is an update to the latest upstream release.

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