Correct the docblock for the registered_post_type action. Fixes #29…

…184.

Built from https://develop.svn.wordpress.org/trunk@29468


git-svn-id: http://core.svn.wordpress.org/trunk@29246 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -1458,7 +1458,7 @@ function register_post_type( $post_type, $args = array() ) {
 	 * @since 3.3.0
 	 *
 	 * @param string $post_type Post type.
-	 * @param array  $args      Arguments used to register the post type.
+	 * @param object $args      Arguments used to register the post type.
 	 */
 	do_action( 'registered_post_type', $post_type, $args );