mingw64-x86_64-zlib-src: zlib for Win64 toolchain (source)

    2017-03-03 21:48           0 mingw64-x86_64-zlib-1.2.11-1.src/
    2017-03-03 21:48        1953 mingw64-x86_64-zlib-1.2.11-1.src/mingw64-x86_64-zlib.cygport
    2017-03-03 21:48      607698 mingw64-x86_64-zlib-1.2.11-1.src/zlib-1.2.11.tar.gz
    2017-03-03 21:48         411 mingw64-x86_64-zlib-1.2.11-1.src/zlib-1.2.5-minizip-fixuncrypt.patch