View file PF.Base/module/comment/install/version/3.3.0beta1.xml.php
<upgrade> <hooks> <hook> <module_id>comment</module_id> <hook_type>component</hook_type> <module>comment</module> <call_name>comment.component_block_share_clean</call_name> <added>1339076699</added> <version_id>3.3.0beta1</version_id> <value /> </hook> </hooks> </upgrade>