- add some ATTRIBUTE_UNUSED.

- use shorter boilerplate while at it.

coreutils/logname.c

@@ -4,20 +4,7 @@
  *
  * Copyright (C) 2000  Edward Betts <edward@debian.org>.
  *
- * 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.
  */
 
 /* BB_AUDIT SUSv3 compliant */
@@ -38,7 +25,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int logname_main(int argc, char **argv)
+extern int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	const char *p;