Docs: Add a changelog entry to the DocBlock for touch_time() to mention the shift from accessing the global $comment to using get_comment().

See #33638.


git-svn-id: https://develop.svn.wordpress.org/trunk@33979 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/template.php

@@ -754,6 +754,7 @@ function meta_form( $post = null ) {
  * Print out HTML form date elements for editing post or comment publish date.
  *
  * @since 0.71
+ * @since 4.4.0 Converted to use get_comment() instead of the global `$comment`.
  *
  * @global WP_Locale  $wp_locale
  *