Hi, pngcheck warns like this, though it seems not to be harmful.
$ pngcheck PNGcheck, version 2.3.0 of 7 July 2007, by Alexander Lehmann, Andreas Dilger and Greg Roelofs. Compiled with zlib 1.2.8; using zlib 1.2.11. ... $ cygcheck -c pngcheck zlib Cygwin Package Information Package Version Status pngcheck 2.3.0-1 OK zlib 1.2.11-1 OK -- Lem -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple