Issue #1943800 by mtift: Fixed form_execute_handlers() has an undocumented...

Issue #1943800 by mtift: Fixed form_execute_handlers() has an undocumented return which is never used.

core/includes/form.inc

@@ -1505,7 +1505,6 @@ function _form_validate(&$elements, &$form_state, $form_id = NULL) {
  *   defined, those handlers will be stored here.
  */
 function form_execute_handlers($type, &$form, &$form_state) {
-  $return = FALSE;
   // If there was a button pressed, use its handlers.
   if (isset($form_state[$type . '_handlers'])) {
     $handlers = $form_state[$type . '_handlers'];
@@ -1532,9 +1531,7 @@ function form_execute_handlers($type, &$form, &$form_state) {
     else {
       call_user_func_array($function, array(&$form, &$form_state));
     }
-    $return = TRUE;
   }
-  return $return;
 }
 
 /**