call_handlers(): no need to call read or write handler in case of hard error
call_handlers(): no need to call read or write handler in case of hard error

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