Docs: Correct `@param` type in `fix_phpmailer_messageid()`.

Follow-up to [48033].

Props justlevine.
See #52217, #62281.
Built from https://develop.svn.wordpress.org/trunk@59334


git-svn-id: http://core.svn.wordpress.org/trunk@58720 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-functions.php

@@ -2273,7 +2273,7 @@ function add_new_user_to_blog( $user_id, $password, $meta ) {
  *
  * @since MU (3.0.0)
  *
- * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference).
+ * @param PHPMailer\PHPMailer\PHPMailer $phpmailer The PHPMailer instance (passed by reference).
  */
 function fix_phpmailer_messageid( $phpmailer ) {
 	$phpmailer->Hostname = get_network()->domain;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59333';
+$wp_version = '6.8-alpha-59334';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.