server: log locally if connection isn't up yet

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/server.c b/server.c
index 011f355..5774508 100644
--- a/server.c
+++ b/server.c
@@ -456,7 +456,7 @@
 	if (server_fd != -1)
 		return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len);
 
-	return 0;
+	return fwrite(buf, len, 1, f_err);
 }
 
 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)