make sure we always set non-zero errno in send_tls_adapter
make sure we always set non-zero errno in send_tls_adapter
pmq20/libmicrohttpd,pmq20/libmicrohttpd,slackner/libmicrohttpd,slackner/libmicrohttpd,pmq20/libmicrohttpd,slackner/libmicrohttpd