Fixed SQL syntax error in invoicing core class

wiaflos/server/core/Invoicing.pm

@@ -353,9 +353,9 @@ sub getInvoiceItems
 			invoice_items.ID, invoice_items.SerialNumber, invoice_items.InventoryID, invoice_items.Description,
 			invoice_items.Quantity, invoice_items.Unit, invoice_items.UnitPrice, invoice_items.Price,
 			invoice_items.Discount, invoice_items.DiscountAmount, invoice_items.TaxMode, invoice_items.TaxRate,
-			invoice_items.TaxAmount
+			invoice_items.TaxAmount,
 
-			inventory.Code AS InventoryCode,
+			inventory.Code AS InventoryCode
 		FROM
 			invoice_items, inventory
 		WHERE