Fix s_client when no-dtls
@@ -906,7 +906,9 @@ int s_client_main(int argc, char **argv)
#endif
BIO *bio_c_msg = NULL;
const char *keylog_file = NULL, *early_data_file = NULL;
+#ifndef OPENSSL_NO_DTLS
int isdtls = 0;
+#endif
FD_ZERO(&readfds);
FD_ZERO(&writefds);
