V4L/DVB (8609): media: Clean up platform_driver_unregister() bogosity.

So, platform_driver_unregister() doesn't actually have a return value,
nor do any of the void __exit routines. It's reassuring to know that
people copy and paste blindly. This completely blew up my compiler.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index f7ca3cb..318754e 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -647,7 +647,7 @@
 
 static void __exit sh_mobile_ceu_exit(void)
 {
-	return platform_driver_unregister(&sh_mobile_ceu_driver);
+	platform_driver_unregister(&sh_mobile_ceu_driver);
 }
 
 module_init(sh_mobile_ceu_init);