fix warning

diff --git a/src/modelform.php b/src/modelform.php
index 7f3c0bccfa501973fd3501fc3e7a9fceda0ba383..ce4c55e9c7635e614623063d6467643254d57d37 100644 (file)
--- a/src/modelform.php
+++ b/src/modelform.php
@@ -23,7 +23,7 @@ class IPF_Form_Model extends IPF_Form
         }
     }
 
-    public static function suggestFields($table, $fields=null, $exclude=array(), $form=null, $extra)
+    public static function suggestFields($table, $fields=null, $exclude=array(), $form=null, $extra=null)
     {
         $result = array();