Update NPC window

src/engine/net/client/handlers/ItemProductionMsgHandler.java

@@ -99,6 +99,7 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
                     ErrorPopupMsg.sendErrorPopup(player, validation_result);
                     return true;
                 }
+
                 break;
             case JUNK:
                 junkItem(msg.itemUUID, vendorNPC, origin);