Issue #2920015 by mairi, tedbow, dinarcon: Add change record to @deprecated...

Issue #2920015 by mairi, tedbow, dinarcon: Add change record to @deprecated for drupal_render_children()

core/includes/common.inc

@@ -889,6 +889,7 @@ function drupal_render(&$elements, $is_recursive_call = FALSE) {
  *   they are available.
  *
  * @see drupal_render()
+ * @see https://www.drupal.org/node/2912757
  */
 function drupal_render_children(&$element, $children_keys = NULL) {
   if ($children_keys === NULL) {