Coding Standards: Ensure cookie expiration value is an integer in `wp…

…_update_user()`.

This addresses an issue in `wp_update_user()`, where `time()` is subtracted from the `$logged_in_cookie['expiration']` of type `string`.

Follow-up to [29043].

Props justlevine.
See #52217.

git-svn-id: https://develop.svn.wordpress.org/trunk@59377 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/user.php

@@ -2792,7 +2792,7 @@ function wp_update_user( $userdata ) {
 
 			$remember = false;
 
-			if ( false !== $logged_in_cookie && ( $logged_in_cookie['expiration'] - time() ) > $default_cookie_life ) {
+			if ( false !== $logged_in_cookie && ( (int) $logged_in_cookie['expiration'] - time() ) > $default_cookie_life ) {
 				$remember = true;
 			}