FYI: tests/ac*.at: update copyright year.

[Ralf Wildenhues]

I have applied this.

Cheers,
Ralf

        * tests/mktests.sh: Update copyright year in the header of the
        generated files.
        
Index: tests/mktests.sh
===================================================================
RCS file: /cvsroot/autoconf/autoconf/tests/mktests.sh,v
retrieving revision 1.46
diff -u -r1.46 mktests.sh
--- tests/mktests.sh    3 Apr 2006 19:09:55 -0000       1.46
+++ tests/mktests.sh    3 Apr 2006 19:33:42 -0000
@@ -237,7 +237,7 @@
     ## Do not edit by hand.  ##
     ## --------------------- ##
 
-    # Copyright (C) 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+    # Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006 Free Software 
Foundation, Inc.
 
     AT_BANNER([Testing autoconf/$base macros.])