This patches tim_png.cpp to include zlib.h on Lion. This builds and runs well on Lion and Snow Lep with all compilers. Reported upstream as: http://todo.xmoto.tuxfamily.org/index.php?do=details&task_id=783 Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Signed-off-by: Adam Vandenberg <flangy@gmail.com>