[#33605] Update contactcreator.php

Error in contacts created by plugin "Contact Creator" 
See the related tracker on 
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33605

source: www.allaroundtheweb.it/segui-blog-allaroundtheweb/categoria/joomla/articolo/382/joomla-3-exception-with-message-contact-not-found-come-risolvere-questo-baco-fastidioso-how-to-resolve.html