Make more JS files beter match the coding standard.

test/mjsunit/optimized-typeof.js

 // Copyright 2011 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 typeofDirectly() {
   return typeof({}) === "undefined";
 }
 
 typeofDirectly();
 typeofDirectly();
 %OptimizeFunctionOnNextCall(typeofDirectly);
 typeofDirectly();
 
 function typeofViaVariable() {
-  var foo = typeof({})
+  var foo = typeof({});
   return foo === "undefined";
 }
 
 typeofViaVariable();
 typeofViaVariable();
 %OptimizeFunctionOnNextCall(typeofViaVariable);
 typeofViaVariable();