Fix tab in javascript file.

test/mjsunit/bugs/bug-1015.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 17 matching lines @@
 // See: http://code.google.com/p/v8/issues/detail?id=1015
 
 // Object and array literals should be created using DefineOwnProperty, and
 // therefore not hit setters in the prototype.
 
 function mkFail(message) {
   return function () { assertUnreachable(message); }
 }
 
 Object.defineProperty(Object.prototype, "foo",
-                              {get: mkFail("oget"), set: mkFail("oset")});
+                      {get: mkFail("oget"), set: mkFail("oset")});
 Object.defineProperty(Array.prototype, "2",
                       {get: mkFail("aget"), set: mkFail("aset")});
 
 function inFunction() {
   for (var i = 0; i < 10; i++) {
     // in loop.
     var ja = JSON.parse('[1,2,3,4]');
     var jo = JSON.parse('{"bar": 10, "foo": 20}')
     var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}')
     var a = [1,2,3,4];
     var o = { bar: 10, foo: 20 };
     var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } },
                bar: 10 };
   }
 }
 
 for (var i = 0; i < 10; i++) {
   // In global scope.
   var ja = JSON.parse('[1,2,3,4]');
   var jo = JSON.parse('{"bar": 10, "foo": 20}')
   var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}')
   var a = [1,2,3,4];
   var o = { bar: 10, foo: 20 };
   var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } },
              bar: 10 };
   // In function scope.
   inFunction();
 }