Rework libpng error handling to catch version mismatch errors as well - #134

Rework libpng error handling to catch version mismatch errors as well#134

mosra wants to merge 4 commits into

mastermosra/magnum-plugins:masterfrom

clang-cl-libpng-longjmp-ffsmosra/magnum-plugins:clang-cl-libpng-longjmp-ffsCopy head branch name to clipboard