Add missing __UNUSED__
Add missing __UNUSED__

Signed-off-by: Christopher Michael <cp.michael@samsung.com>

git-svn-id: 24a995eca3b83137dd7eab3408044d7832e202f7@77519 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

antognolli/Evas,antognolli/Evas,antognolli/Evas,antognolli/Evas