BETA: Fixed passive skill effects for non player creatures.

Reported by: pandragon
Reviewed by: Zoey76, Nos
Patch by: UnAfraid
Tested by: pandragon

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6233 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
Upstream sync