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/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c
index eefb032..1adc257 100644
--- a/drivers/media/video/soc_camera_platform.c
+++ b/drivers/media/video/soc_camera_platform.c
@@ -187,7 +187,7 @@
 
 static void __exit soc_camera_platform_module_exit(void)
 {
-	return platform_driver_unregister(&soc_camera_platform_driver);
+	platform_driver_unregister(&soc_camera_platform_driver);
 }
 
 module_init(soc_camera_platform_module_init);