Docs: Correct `$class` parameter type and description for `body_class` filter.

Props JPry.
Fixes #34452.
Built from https://develop.svn.wordpress.org/trunk@35398


git-svn-id: http://core.svn.wordpress.org/trunk@35362 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-template.php

@@ -728,8 +728,8 @@ function get_body_class( $class = '' ) {
 	 *
 	 * @since 2.8.0
 	 *
-	 * @param array  $classes An array of body classes.
-	 * @param string $class   A comma-separated list of additional classes added to the body.
+	 * @param array $classes An array of body classes.
+	 * @param array $class   An array of additional classes added to the body.
 	 */
 	$classes = apply_filters( 'body_class', $classes, $class );
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta1-35397';
+$wp_version = '4.4-beta1-35398';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.