joomla/joomla-cms — pull request #823 by vdespa (2013-03-16 20:15:17+00:00)
Title: patch for [#28409] Smart Search gives fatal error when searching with stemmer enabled

http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=28409

3 people confirmed that the suggested fix worked.