Move column headers to their correct columns

They got shifted by accident in 1023401c

oscar/templates/oscar/dashboard/orders/order_list.html

@@ -89,7 +89,6 @@
 
                 <thead>
                     <tr>
-                        <th></th>
                         <th></th>
                         <th>{% anchor 'number' _("Order number") %}</th>
                         <th>{% anchor 'total_incl_tax' _("Total inc tax") %}</th>
@@ -99,6 +98,7 @@
                         <th>{% trans "Shipping address" %}</th>
                         <th>{% trans "Billing address" %}</th>
                         <th>{% trans "Date of purchase" %}</th>
+                        <th></th>
                     </tr>
                 </thead>
                 <tbody>