BETA: Abstract variables minor fix.
	* Prevents NPEs.

Reported by: Zoey76
Patch by: UnAfraid
Tested by: Zoey76

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6303 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad