Ticket 48566 - acl.c attrFilterArray maybe uninitialised.

Bug Description:  warning: ‘attrFilterArray’ may be used uninitialized in this
function [-Wmaybe-uninitialized]

Fix Description:  Initilase the value of attrFilterArray.

https://fedorahosted.org/389/ticket/48566

Author: wibrown

Review by: nhosoi (Thanks)

ldap/servers/plugins/acl/acl.c

@@ -2460,7 +2460,7 @@ acl__resource_match_aci( Acl_PBlock *aclpb, aci_t *aci, int skip_attrEval, int *
 		((aclpb->aclpb_access & SLAPI_ACL_DELETE) && 
 		 (aci->aci_type & ACI_TARGET_ATTR_DEL_FILTERS) ) ) {
 		
-			Targetattrfilter **attrFilterArray;
+			Targetattrfilter **attrFilterArray = NULL;
 
 			Targetattrfilter	*attrFilter = NULL;