Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-crbug-39160.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 20 matching lines @@
 // the left hand side is known to be a smi (max smi value is  1073741823). This
 // test crashes with the bug.
 function f(a) {
   for (var i = 1073741820; i < 1073741822; i++) {
     if (a < i) {
       a += i;
     }
   }
 }
 
-f(5)
+f(5);