Fix syntax

SQL error when ordering product list

htdocs/product/list.php

@@ -423,7 +423,7 @@ else
     		if (! empty($arrayfields['p.duration']['checked']))  print_liste_field_titre($arrayfields['p.duration']['label'], $_SERVER["PHP_SELF"],"p.duration","",$param,"",$sortfield,$sortorder);
     		if (! empty($arrayfields['p.sellprice']['checked']))  print_liste_field_titre($arrayfields['p.sellprice']['label'], $_SERVER["PHP_SELF"],"","",$param,'align="right"',$sortfield,$sortorder);
     		if (! empty($arrayfields['p.minbuyprice']['checked']))  print_liste_field_titre($arrayfields['p.minbuyprice']['label'], $_SERVER["PHP_SELF"],"","",$param,'align="right"',$sortfield,$sortorder);
-    		if (! empty($arrayfields['p.desiredstock']['checked']))  print_liste_field_titre($arrayfields['p.desiredstock']['label'], $_SERVER["PHP_SELF"],"p.desirestock","",$param,'align="right"',$sortfield,$sortorder);
+    		if (! empty($arrayfields['p.desiredstock']['checked']))  print_liste_field_titre($arrayfields['p.desiredstock']['label'], $_SERVER["PHP_SELF"],"p.desiredstock","",$param,'align="right"',$sortfield,$sortorder);
     		if (! empty($arrayfields['p.tobatch']['checked']))  print_liste_field_titre($arrayfields['p.tobatch']['label'], $_SERVER["PHP_SELF"],"p.tobatch","",$param,'align="center"',$sortfield,$sortorder);
     		if (! empty($arrayfields['p.stock']['checked']))  print_liste_field_titre($arrayfields['p.stock']['label'], $_SERVER["PHP_SELF"],"p.stock","",$param,'align="right"',$sortfield,$sortorder);
     		if (! empty($arrayfields['p.accountancy_code_sell']['checked']))  print_liste_field_titre($arrayfields['p.accountancy_code_sell']['label'], $_SERVER["PHP_SELF"],"p.accountancy_code_sell","",$param,'',$sortfield,$sortorder);