maint: use announce-gen's new --mail-headers.

[bison.git] / m4 / subpipe.m4

diff --git a/m4/subpipe.m4 b/m4/subpipe.m4
index 924a3196093a5b6167c4b35fb6c12ae45170c027..ca26aafa70af2c3792f3cb90844c7f0ac9903865 100644 (file)
--- a/m4/subpipe.m4
+++ b/m4/subpipe.m4
@@ -1,7 +1,8 @@
 # -*- Autoconf -*-
 # Checks required to run `subpipe'.
 #
-# Copyright (C) 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2005, 2009, 2010 Free Software Foundation,
+# Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by