- Update to version 1.6.40:
* Fixed the eXIf chunk multiplicity checks.
* Fixed a memory leak in pCAL processing.
* Corrected the validity report about tRNS inside png_get_valid().
* Fixed various build issues on *BSD, Mac and Windows.
* Updated the configurations and the scripts for continuous integration.
* Cleaned up the code, the build scripts, and the documentation.
OBS-URL: https://build.opensuse.org/request/show/1094720
OBS-URL: https://build.opensuse.org/package/show/graphics/libpng16?expand=0&rev=138
