Change order of views_microtime in render_fields

Hi
think the $start = views_microtime(); should start only after the check if the fields are rendered. Minor think but dowsn't make sense to me why the timer could start again because than the render time could get nearly to zero. But maybe I miss something.

Index: views/plugins/views_plugin_style.inc
--- views/plugins/views_plugin_style.inc Base (1.8.2.8)
+++ views/plugins/views_plugin_style.inc Locally Modified (Based On 1.8.2.8)
@@ -210,11 +210,12 @@
       return;
     }
 
-    $start = views_microtime();
     if (isset($this->rendered_fields)) {
       return $this->rendered_fields;
     }
 
+    $start = views_microtime();
+
     $this->view->row_index = 0;
     $keys = array_keys($this->view->field);
     foreach ($result as $count => $row) {