Fixed issue with frenzy, the regen buff wasn't being removed when the player died/relogged, issue: 8251
http://hercules.ws/board/tracker/issue-8251-berserk-bug-sp-regenetati/
https://github.com/RagnarokTales/Hercules/commit/d3582fcef6d3f07fa758a41bc06ff647bf545315