Index: wp-includes/classes.php
===================================================================
--- wp-includes/classes.php	(revision 7396)
+++ wp-includes/classes.php	(working copy)
@@ -573,7 +573,7 @@
 	}
 
 	function end_el($output, $page, $depth) {
-		$output .= "</li>\n";
+		$output .= "</li>";
 
 		return $output;
 	}