Multisite: Clarify return type of `get_sites()` when 'count' is passed as a query var.

Fixes #41789.
Built from https://develop.svn.wordpress.org/trunk@41331


git-svn-id: http://core.svn.wordpress.org/trunk@41162 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-blogs.php

@@ -630,7 +630,7 @@ function update_site_cache( $sites ) {
  *                                           Default empty array.
  *     @type bool         $update_site_cache Whether to prime the cache for found sites. Default false.
  * }
- * @return array List of sites.
+ * @return array|int List of sites, or number of sites when 'count' is passed as a query var.
  */
 function get_sites( $args = array() ) {
 	$query = new WP_Site_Query();

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41330';
+$wp_version = '4.9-alpha-41331';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.