struct MHD_UpgradeResponseHandle: clarified comments
struct MHD_UpgradeResponseHandle: clarified comments

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