MHD_tls_connection_shutdown(): remember real result of TLS shutdown
MHD_tls_connection_shutdown(): remember real result of TLS shutdown

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