array list cast for canRoll

src/engine/objects/NPC.java

@@ -1067,7 +1067,8 @@ public class NPC extends AbstractCharacter {
         ItemTemplate itemTemplate;
         for (Integer itemID : fullItemList) {
             itemTemplate = ItemTemplate.templates.get(itemID);
-            boolean exclude = (int)itemTemplate.item_skill_required.values().toArray()[0] == 0 && ItemTemplate.templates.get(itemID).item_type == ItemType.WEAPON;
+            int[] skillsRequired = (int[]) itemTemplate.item_skill_required.values().toArray()[0];
+            boolean exclude = skillsRequired[0] == 0 && ItemTemplate.templates.get(itemID).item_type == ItemType.WEAPON;
             if ((int)itemTemplate.item_skill_required.values().toArray()[0] <= maxSkill && !exclude)
                 filteredItemList.add(itemID);
         }