friendica/friendica — pull request #625 by tobiasd (2013-02-23 11:46:14+00:00)
Title: make sure conv_as->items is an array or don't proceed

Got many warnings like the two below, this seems to fix the issue

Warning: array_reverse() expects parameter 1 to be array, null given in include/ostatus_conversation.php on line 78

Warning: Invalid argument supplied for foreach() in include/ostatus_conversation.php on line 80