joomla/joomla-cms — pull request #3056 by Bakual (2014-02-05 19:00:52+00:00)
Title: Check if $module is an object

Fixing the PHP warning
> Creating default object from empty value in /.../libraries/cms/module/helper.php on line 163

if `JModuleHelper::renderModule()` is called without a proper module object.