* lisp/whitespace.el: Use lexical binding.

diff --git a/lisp/whitespace.el b/lisp/whitespace.el
index c6d5b16caebbb3fa853f72250c11d10a550bba1c..4198b9bd0e76b67e017e4dfb148224217c8f72b5 100644 (file)
--- a/lisp/whitespace.el
+++ b/lisp/whitespace.el
@@ -1,4 +1,4 @@
-;;; whitespace.el --- minor mode to visualize TAB, (HARD) SPACE, NEWLINE
+;;; whitespace.el --- minor mode to visualize TAB, (HARD) SPACE, NEWLINE -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2000-2017 Free Software Foundation, Inc.