Allow changing the display order for this method

Author: m1k3lm

app/code/community/Devopensource/Redsys/etc/system.xml

@@ -234,6 +234,14 @@
                             <show_in_store>1</show_in_store>
                             <depends><cancel_unpaid_orders>1</cancel_unpaid_orders></depends>
                         </cancel_unpaid_orders_min>
+                        <sort_order translate="label">
+                            <label>Sort Order</label>
+                            <frontend_type>text</frontend_type>
+                            <sort_order>1000</sort_order>
+                            <show_in_default>1</show_in_default>
+                            <show_in_website>1</show_in_website>
+                            <show_in_store>1</show_in_store>
+                        </sort_order>
                     </fields>
                 </redsys>
             </groups>