More constructor work.

src/engine/objects/ItemTemplate.java

@@ -108,7 +108,7 @@ public class ItemTemplate {
         JSONArray skills_used = (JSONArray) jsonObject.get("item_skill_used");
 
         if (skills_used.isEmpty() == false)
-            for (Object o : eq_slots_or)
+            for (Object o : skills_used)
                 item_skill_used.add(Enum.CharacterSkills.valueOf((String) o));
     }
 }