ethtool: Add license

Part of the fedora review process.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Author: acmel

python-ethtool/ethtool.c

@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2008 Red Hat Inc.
+ *
+ * Arnaldo Carvalho de Melo <acme@redhat.com>
+ *
+ * First bits from a Red Hat config tool by Harald Hoyer.
+ *
+ * This application is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; version 2.
+ *
+ * This application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
 #include <Python.h>
 
 #include <errno.h>