*: make GNU licensing statement forms more regular

This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/console-tools/setconsole.c b/console-tools/setconsole.c
index 8ad9948..87265ba 100644
--- a/console-tools/setconsole.c
+++ b/console-tools/setconsole.c
@@ -5,7 +5,7 @@
  *  Copyright (C) 2004,2005  Enrik Berkhan <Enrik.Berkhan@inka.de>
  *  Copyright (C) 2008 Bernhard Reutner-Fischer
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
 #include "libbb.h"