Issue 516 - JSHydra: return {foo:bar} produces broken code

autotest/test_abprewrite.js.expected

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 48 matching lines @@
 }
 for (var _loopIndex9 = 0; _loopIndex9 < fooList.length; ++_loopIndex9)
 {
   k = fooList[_loopIndex9];
   alert(k);
 }
 var a = function()
 {
   return 1;
 };
-var b =
-{
+var b = {
   get foo()
   {
     return 1;
   }
 };
+
+function foo()
+{
+  return {
+    foo: 1,
+    bar: 2
+  };
+}
 if (a == b)
 {
   foo();
 }
 else if (a == c)
 {
   bar();
 }
 else
 {
   bas();
 }
-if (a == b){}
+if (a == b)
+{}
 for (var a = 0; a < b.length; a++)
 {
   foo();
 }
-for (var a = 0; a < b.length; a++){}
+for (var a = 0; a < b.length; a++)
+{}
 for (var a in b)
 {
   foo();
 }
-for (var a in b){}
+for (var a in b)
+{}
 while (a == b)
 {
   foo();
 }
-while (a == b){}
+while (a == b)
+{}
 
 function genFunc()
 {
   var _generatorResult10 = [];
   for (var i = 0; i < 10; i++)
   {
     _generatorResult10.push(i);
   }
   return _generatorResult10;
 }
 var a = function()
 {
   var _generatorResult10 = [];
   for (var i = 0; i < 10; i++)
   {
     _generatorResult10.push(i);
   }
   return _generatorResult10;
 };