Fix small bug: NS_ENSURE_TRUE(rv, rv) -> if (NS_FAILED(rv)) return rv;

content/base/src/nsTextNode.cpp

@@ -132,7 +132,8 @@ nsTextNode::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
 {
   nsCOMPtr<nsITextContent> textContent;
   nsresult rv = CloneContent(PR_TRUE, getter_AddRefs(textContent));
-  NS_ENSURE_TRUE(rv, rv);
+  if (NS_FAILED(rv))
+    return rv;
 
   return CallQueryInterface(textContent, aReturn);
 }