fix

git-svn-id: http://svn.net-core.org/repos/t-engine4@1017 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/general/objects/quest-artifacts.lua

@@ -17,6 +17,8 @@
 -- Nicolas Casalini "DarkGod"
 -- darkgod@te4.org
 
+local Stats = require "engine.interface.ActorStats"
+
 -- The staff of absorption, the reason the game exists!
 newEntity{ define_as = "STAFF_ABSORPTION",
 	unique = true, quest=true,