Fix bad position of hook

htdocs/product/index.php

@@ -119,11 +119,11 @@ $prodser[0][0]=$prodser[0][1]=$prodser[1][0]=$prodser[1][1]=0;
 $sql = "SELECT COUNT(p.rowid) as total, p.fk_product_type, p.tosell, p.tobuy";
 $sql.= " FROM ".MAIN_DB_PREFIX."product as p";
 $sql.= ' WHERE p.entity IN ('.getEntity($product_static->element, 1).')';
-$sql.= " GROUP BY p.fk_product_type, p.tosell, p.tobuy";
 // Add where from hooks
 $parameters=array();
 $reshook=$hookmanager->executeHooks('printFieldListWhere',$parameters);    // Note that $action and $object may have been modified by hook
 $sql.=$hookmanager->resPrint;
+$sql.= " GROUP BY p.fk_product_type, p.tosell, p.tobuy";
 $result = $db->query($sql);
 while ($objp = $db->fetch_object($result))
 {