memstick: convert struct class_device to struct device

struct class_device is going away, struct device should be used instead.

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/include/linux/memstick.h b/include/linux/memstick.h
index 3e686ec..37a5cdb 100644
--- a/include/linux/memstick.h
+++ b/include/linux/memstick.h
@@ -276,7 +276,7 @@
 #define MEMSTICK_CAP_PAR8          4
 
 	struct work_struct  media_checker;
-	struct class_device cdev;
+	struct device       dev;
 
 	struct memstick_dev *card;
 	unsigned int        retries;