Networks and Sites: Exit after wp_redirect() in `wp-admin/ms-option…

…s.php`.

This brings more consistency with the other files having the same pattern:

* `wp-admin/moderation.php`
* `wp-admin/ms-admin.php`
* `wp-admin/ms-edit.php`
* `wp-admin/ms-sites.php`
* `wp-admin/ms-themes.php`
* `wp-admin/ms-upgrade-network.php`
* `wp-admin/ms-users.php`

Follow-up to [15481], [16847].

Props jigar-bhanushali, jorbin, johnbillion, Presskopp, rajinsharwar, audrasjb, SergeyBiryukov.
Fixes #60926.

git-svn-id: https://develop.svn.wordpress.org/trunk@58460 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/ms-options.php

@@ -10,3 +10,4 @@
 require_once __DIR__ . '/admin.php';
 
 wp_redirect( network_admin_url( 'settings.php' ) );
+exit;