maint: run "make update-copyright"

But first...
* .x-update-copyright (^data/m4sugar/): Add, because these
files are from Autoconf.

data/lalr1.java

@@ -1,6 +1,6 @@
 # Java skeleton for Bison -*- autoconf -*-
 
-# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2008-2009 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
@@ -25,7 +25,7 @@ m4_ifval(m4_defn([b4_symbol_destructors]),
 m4_divert_push(0)dnl
 @output(b4_parser_file_name@)@
 b4_copyright([Skeleton implementation for Bison LALR(1) parsers in Java],
-  [2007, 2008])
+             [2007, 2008-2009])
 
 b4_percent_define_ifdef([package], [package b4_percent_define_get([package]);
 ])[/* First part of user declarations.  */