Issue #2051453 by hgoto, joyceg, prabhurajn654, Fabianx: syntax error in update_manager_update_form()

CHANGELOG.txt

@@ -3,6 +3,7 @@ Drupal 7.51, xxxx-xx-xx (development version)
 -----------------------
 - Exceptions thrown in dblog_watchdog() are now caught and ignored.
 - Clarified the warning that appears when modules are missing or have moved.
+- Numerous small bugfixes.
 - Numerous API documentation improvements.
 
 Drupal 7.50, 2016-07-07 

modules/update/update.manager.inc

@@ -59,7 +59,7 @@
  * @see update_menu()
  * @ingroup forms
  */
-function update_manager_update_form($form, $form_state = array(), $context) {
+function update_manager_update_form($form, $form_state, $context) {
   if (!_update_manager_check_backends($form, 'update')) {
     return $form;
   }