BETA: Continuation of [6325].
	* Fixed a bug caused when activating a buff while having a hidden buff of same abnormal type causing stats stacking between the new buff and the hidden buff.

Reported by: laxsur, maneco, Sdw
Reviewed by: Zoey76
Tested by: Zoey76

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6351 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad