Fixed upgrade kit crash on protect1 modifier

src/main/java/com/zivilon/cinder_loe/util/Utilities.java

@@ -323,21 +323,23 @@ public class Utilities {
         }
         int armor_piece = ((ItemArmor)item.getItem()).armorType;
         int prot = ((ItemArmor)item.getItem()).damageReduceAmount;
+        LOTREnchantment return_value = ench;
         switch(armor_piece) {
             case 0:
-                if (prot < 2) return upgradedEnchants.get(ench);
-                return ench;
+                if (prot < 2) return_value = upgradedEnchants.get(ench.enchantName);
+                break;
             case 1:
-                if (prot < 7) return upgradedEnchants.get(ench);
-                return ench;
+                if (prot < 7) return_value = upgradedEnchants.get(ench.enchantName);
+                break;
             case 2:
-                if (prot < 5) return upgradedEnchants.get(ench);
-                return ench;
+                if (prot < 5) return_value = upgradedEnchants.get(ench.enchantName);
+                break;
             case 3:
-                if (prot < 2) return upgradedEnchants.get(ench);
-                return ench;
+                if (prot < 2) return_value = upgradedEnchants.get(ench.enchantName);
+                break;
             default:
-                return ench;
+                break;
         }
+        return return_value;
     }
 }