New release: 0.4.0

This version adds support for FreeBSD and big-endian systems. It also
adds support for BSD disklabels and an assortment of other changes,
improvements, and bug fixes.
diff --git a/parttypes.h b/parttypes.h
index ad62027..7c336a4 100644
--- a/parttypes.h
+++ b/parttypes.h
@@ -1,3 +1,6 @@
+/* This program is copyright (c) 2009 by Roderick W. Smith. It is distributed
+  under the terms of the GNU GPL version 2, as detailed in the COPYING file. */
+
 #include <stdint.h>
 #include <unistd.h>
 #include <stdlib.h>