Users: clarify the docs for `WP_User::__set` to make it clear that it does save data in the database.

Props johnpbloch.
Fixes #24255.

Built from https://develop.svn.wordpress.org/trunk@34379


git-svn-id: http://core.svn.wordpress.org/trunk@34343 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-user.php

@@ -305,6 +305,9 @@ class WP_User {
 	/**
 	 * Magic method for setting custom user fields.
 	 *
+	 * This method does not update custom fields in the database. It only stores
+	 * the value on the WP_User instance.
+	 *
 	 * @since 3.3.0
 	 * @access public
 	 *

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34378';
+$wp_version = '4.4-alpha-34379';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.