Fix presubmit errors introduced by r10002.

benchmarks/spinning-balls/v.js

Index: benchmarks/spinning-balls/v.js
===================================================================
--- benchmarks/spinning-balls/v.js	(revision 10002)
+++ benchmarks/spinning-balls/v.js	(working copy)
@@ -428,7 +428,7 @@
 function Form() {
   function create(tag) { return document.createElement(tag); }
   function text(value) { return document.createTextNode(value); }
-  
+
   this.form = create("form");
   this.form.setAttribute("action", "javascript:start()");
 
@@ -445,7 +445,7 @@
     var tr = create("tr");
     tr.appendChild(col(a));
     tr.appendChild(col(b));
-    return tr; 
+    return tr;
   }
 
   this.timelimit = create("input");