--- wysiwyg.module	2011-12-12 12:04:22.000000000 +0100
+++ wysiwyg-fixed.module	2011-12-12 12:05:32.000000000 +0100
@@ -96,7 +96,7 @@ function wysiwyg_help($path, $arg) {
  *
  * @see wysiwyg_process_form()
  */
-function wysiwyg_form_alter(&$form, &$form_state) {
+function wysiwyg_form_alter(&$form, $form_state) {
   $form['#after_build'][] = 'wysiwyg_process_form';
   // Teaser splitter is unconditionally removed and NOT supported.
   if (isset($form['body_field'])) {