Correct a typo in the hash notation for `wp_insert_user()`: The argument name should be `$user_registered` not `$date_registered`.

Props floriansimeth.
Fixes #31513.

Built from https://develop.svn.wordpress.org/trunk@31608


git-svn-id: http://core.svn.wordpress.org/trunk@31589 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/user.php

@@ -1702,7 +1702,7 @@ function validate_username( $username ) {
  *                                        to build $display_name if unspecified.
  *     @type string|bool $rich_editing    Whether to enable the rich-editor for the user. False
  *                                        if not empty.
- *     @type string      $date_registered Date the user registered. Format is 'Y-m-d H:i:s'.
+ *     @type string      $user_registered Date the user registered. Format is 'Y-m-d H:i:s'.
  *     @type string      $role            User's role.
  *     @type string      $jabber          User's Jabber account username.
  *     @type string      $aim             User's AIM account username.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31607';
+$wp_version = '4.2-alpha-31608';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.