W32: remove dependency on libgcc dll with latest GCC
W32: remove dependency on libgcc dll with latest GCC

maru/libmicrohttpd-http2,maru/libmicrohttpd-http2,ghaderer/libmicrohttpd,ghaderer/libmicrohttpd,ghaderer/libmicrohttpd,maru/libmicrohttpd-http2