[gnome-software/wip/libappstream] trivial: Add hughsie's copyright again

[Matthias Klumpp <mak src gnome org>]

commit 45b780b5c831b2dd883438569b339f991201d79b
Author: Matthias Klumpp <matthias tenstral net>
Date:   Sun May 11 19:50:19 2014 +0200

    trivial: Add hughsie's copyright again
    
    I copied lots of code from the appstream plugin, which I didn't expect
    to do at the beginning.

 src/plugins/gs-plugin-libappstream.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/gs-plugin-libappstream.c b/src/plugins/gs-plugin-libappstream.c
index c4f778f..20cd55b 100644
--- a/src/plugins/gs-plugin-libappstream.c
+++ b/src/plugins/gs-plugin-libappstream.c
@@ -1,5 +1,6 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
  *
+ * Copyright (C) 2013-2014 Richard Hughes <richard hughsie com>
  * Copyright (C) 2014 Matthias Klumpp <matthias tenstral net>
  *
  * Licensed under the GNU General Public License Version 2