add without http2 on mingw32 curl build
add without http2 on mingw32 curl build


Former-commit-id: 29194487a95e6662a86a991f224727e92bc62654
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin