* lisp/net/hmac-def.el: Use lexical-binding.

diff --git a/lisp/net/hmac-def.el b/lisp/net/hmac-def.el
index bfacc73a2a4b7cb3d5b63900024ca7f33521e971..944cc6cef6c0d91ddceae34ba4ab21488a8bd67c 100644 (file)
--- a/lisp/net/hmac-def.el
+++ b/lisp/net/hmac-def.el
@@ -1,4 +1,4 @@
-;;; hmac-def.el --- A macro for defining HMAC functions.
+;;; hmac-def.el --- A macro for defining HMAC functions.  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 1999, 2001, 2007-2020 Free Software Foundation, Inc.