Docs: Mark two private functions as such in wp-admin/ajax-actions.php.

See #32246.


git-svn-id: https://develop.svn.wordpress.org/trunk@36472 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/ajax-actions.php

@@ -336,6 +336,7 @@ function wp_ajax_logged_in() {
  *
  * Contrary to normal success AJAX response ("1"), die with time() on success.
  *
+ * @access private
  * @since 2.7.0
  *
  * @param int $comment_id
@@ -430,6 +431,7 @@ function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
 /**
  * Ajax handler for adding a hierarchical term.
  *
+ * @access private
  * @since 3.1.0
  */
 function _wp_ajax_add_hierarchical_term() {