Make more JS files beter match the coding standard.

test/mjsunit/regress/regress-284.js

 // Copyright 2009 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 16 matching lines @@
 
 // See http://code.google.com/p/v8/issues/detail?id=284
 
 function continueWithinLoop() {
   var result;
   for (var key in [0]) {
     result = "hopla";
     continue;
   }
   return result;
-};
+}
 
 assertEquals("hopla", continueWithinLoop());
 
 function breakWithinLoop() {
   var result;
   for (var key in [0]) {
     result = "hopla";
     break;
   }
   return result;
-};
+}
 
 assertEquals("hopla", continueWithinLoop());