databse update for stacked resources

src/engine/net/client/ClientMessagePump.java

@@ -1475,7 +1475,7 @@ public class ClientMessagePump implements NetMsgHandler {
                                             item.setNumOfItems(item.getNumOfItems() + 1);
                                             stacked = true;
                                             itemMan.updateInventory();
-                                            item.updateDatabase();
+                                            DbManager.ItemQueries.UPDATE_NUM_ITEMS(item,item.getNumOfItems(),0);
                                             break;
                                         }
                                     }