- add some ATTRIBUTE_UNUSED.

- use shorter boilerplate while at it.

archival/rpm.c

@@ -4,19 +4,7 @@
  *
  * Copyright (C) 2001,2002 by Laurence Anderson
  *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
 #include <stdio.h>
@@ -336,7 +324,7 @@ void fileaction_setowngrp(char *filename, int fileref)
 	chown (filename, uid, gid);
 }
 
-void fileaction_list(char *filename, int fileref)
+void fileaction_list(char *filename, int ATTRIBUTE_UNUSED fileref)
 {
 	printf("%s\n", filename);
 }