Make more JS files beter match the coding standard.

test/mjsunit/const-redecl.js

 // Copyright 2008 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 250 matching lines @@
 
 const h; var h = 1;
 assertEquals(undefined,h,  "h has wrong value");
 
 eval("Object.defineProperty(this, 'i', { writable: true });"
    + "const i = 7;"
    + "assertEquals(7, i, \"i has wrong value\");");
 
 var global = this;
 assertThrows(function() {
-  Object.defineProperty(global, 'j', { writable: true })
+  Object.defineProperty(global, 'j', { writable: true });
 }, TypeError);
 const j = 2;  // This is what makes the function above throw, because the
 // const declaration gets hoisted and makes the property non-configurable.
 assertEquals(2, j, "j has wrong value");
 
 var k = 1; const k;
 // You could argue about the expected result here. For now, the winning
 // argument is that "const k;" is equivalent to "const k = undefined;".
 assertEquals(undefined, k, "k has wrong value");