Make more JS files beter match the coding standard.

test/mjsunit/closures.js

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 19 matching lines @@
 function runner(f, expected) {
   assertEquals(expected, f.call(this));
 }
 
 function test(n) {
   function MyFunction() {
     var result = n * 2 + arguments.length;
     return result;
   }
   for (var i = 0; i < 5; ++i) MyFunction();
-  %OptimizeFunctionOnNextCall(MyFunction)
+  %OptimizeFunctionOnNextCall(MyFunction);
   runner(MyFunction, n * 2);
 }
 
 test(1);
 test(42);
 test(239);