silc_mime_add_field(conn->headers, "Content-Length", tmp);
if (conn->keepalive) {
silc_mime_add_field(conn->headers, "Connection", "keep-alive");
silc_mime_add_field(conn->headers, "Content-Length", tmp);
if (conn->keepalive) {
silc_mime_add_field(conn->headers, "Connection", "keep-alive");