Update copyright for 2014.
diff --git a/src/bpf.c b/src/bpf.c
index a3c5ad4..f9c6063 100644
--- a/src/bpf.c
+++ b/src/bpf.c
@@ -1,4 +1,4 @@
-/* dnsmasq is Copyright (c) 2000-2013 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2014 Simon Kelley
 
    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