Make more JS files beter match the coding standard.

test/mjsunit/prototype.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 49 matching lines @@
 // Regression test:
 // Make sure we preserve the prototype of an object in the face of map transitions.
 
 function D() {
   this.d = 1;
 }
 var p = new Object();
 p.y = 1;
 new D();
 
-D.prototype = p
+D.prototype = p;
 assertEquals(1, (new D).y);
 
 
 // Regression test:
 // Make sure that arrays and functions in the prototype chain works;
 // check length.
 function X() { }
 function Y() { }
 
 X.prototype = function(a,b) { };
 Y.prototype = [1,2,3];
 
 assertEquals(2, (new X).length);
 assertEquals(3, (new Y).length);
 
 
 // Test setting the length of an object where the prototype is from an array.
 var test = new Object;
 test.__proto__ = (new Array()).__proto__;
 test.length = 14;
 assertEquals(14, test.length);