The duplicated event data that was being carried over to the IGameEventManager2::FireEvent post hook was not being freed. EventHookMode_Post is the default so this leak could have happened fairly often.
Various minor things done to project files
Updated sample extension project file and updated makefile to the new unified version (more changes likely on the way)
Updated regex project file and makefile
--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%401971