* configure.in: Explain that this is an autoconf script.

diff --git a/configure1.in b/configure1.in
index 9793bb1ffb14c46e0c3abd93cf001508f0aa5628..5be452744f5f5881cf5fe28f2c1399b1f7c8f043 100755 (executable)
--- a/configure1.in
+++ b/configure1.in
@@ -1,3 +1,4 @@
+dnl This is an autoconf script.
 [#!/bin/sh
 #### Configuration script for GNU Emacs
 #### Copyright (C) 1992 Free Software Foundation, Inc.