quick fix

quad/src/virt_quad/hw_impl_unix_uart.c

@@ -58,6 +58,6 @@ int unix_uart_write(struct UARTDriver *self, unsigned char c) {
 
 int unix_uart_read(struct UARTDriver *self, unsigned char *c) {
 	int bytes = read(sendSocket, c, 1);
-	printf("read in %d byte [%x], msg=%d\n", bytes, *c, self->msg);
+	// printf("read in %d byte [%x], msg=%d\n", bytes, *c, self->msg);
 	return bytes;
 }