Fix the exclude_tree argument in get_terms(), which fixes the exclude argument in wp_list_categories().

This was a 3.7 regression caused by [25162].

props dd32.
see #25710 for trunk.

Built from https://develop.svn.wordpress.org/trunk@25933


git-svn-id: http://core.svn.wordpress.org/trunk@25892 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/taxonomy.php

@@ -1362,7 +1362,7 @@ function get_terms($taxonomies, $args = '') {
 	$exclusions = '';
 	if ( ! empty( $exclude_tree ) ) {
 		$exclude_tree = wp_parse_id_list( $exclude_tree );
-		$excluded_children = array();
+		$excluded_children = $exclude_tree;
 		foreach ( $exclude_tree as $extrunk ) {
 			$excluded_children = array_merge(
 				$excluded_children,