libpng/sources

590ecbecd6286810184fd3e66f151de3  libpng-1.5.7.tar.bz2
e8b43dc78ef95b3949af7f961d76874b  libpng-1.2.46.tar.bz2
Update to libpng 1.5.7 2011-12-18 21:37:00 +00:00			`590ecbecd6286810184fd3e66f151de3 libpng-1.5.7.tar.bz2`
Update to libpng 1.2.46 2011-07-14 16:28:17 +00:00			`e8b43dc78ef95b3949af7f961d76874b libpng-1.2.46.tar.bz2`