* Unzip
* Open projects\visualc71\libpng.vcproj
* Set configuration to LIB Release
* Add ZLIB_WINAPI to preprocessor defines
* Enable "Ignore All Default Libraries"
* Set "Runtime library" to "Multi-threaded (/MT)"
* Fix png_snprintf defines
* Build
* Lib in projects\visualc71\Win32_LIB_Release