*: 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/applets/Kbuild.src b/applets/Kbuild.src
index 31fee8d..9b9808f 100644
--- a/applets/Kbuild.src
+++ b/applets/Kbuild.src
@@ -2,7 +2,7 @@
 #
 # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
 #
-# Licensed under the GPL v2, see the file LICENSE in this tarball.
+# Licensed under GPLv2, see file LICENSE in this source tree.
 
 obj-y :=
 obj-y += applets.o