build: avoid warnings about set-but-not-used variables

[bison.git] / m4 / c-working.m4

diff --git a/m4/c-working.m4 b/m4/c-working.m4
index 8cd7d4f63a616dea4ca33026711da29b097953d8..c11d94a1112e4209fa1af362af2c971d0fbe9270 100644 (file)
--- a/m4/c-working.m4
+++ b/m4/c-working.m4
@@ -1,6 +1,6 @@
 # Sanity test a C compiler.
 
-# Copyright (C) 2006 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2011 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