libpng 1.6.34-1, libpng12 1.2.59-1

[Yaakov Selkowitz]

The following packages have been uploaded to the Cygwin distribution:

* libpng12-1.2.59-1
* libpng12-devel-1.2.59-1
* libpng16-1.6.34-1
* libpng16-devel-1.6.34-1
* libpng-devel-1.6.34-1
* libpng-tools-1.6.34-1
* mingw64-i686-libpng-1.6.34-1
* mingw64-x86_64-libpng-1.6.34-1

libpng is the official reference library for the Portable Network Graphics 
(PNG) image format.

This is an update to the latest upstream releases:

https://sourceforge.net/p/png-mng/mailman/message/36010910/
https://sourceforge.net/p/png-mng/mailman/message/36056581/
https://sourceforge.net/p/png-mng/mailman/message/36057247/

--
Yaakov