# From http://sourceforge.net/projects/libpng/files/libpng16/1.6.19/
md5	1e6a458429e850fc93c1f3b6dc00a48f	libpng-1.6.19.tar.xz
sha1	483d72ced11c9258f9d1119105273d9af9ff151c	libpng-1.6.19.tar.xz