pktcdvd: Convert from class_device to device for block/pktcdvd

struct class_device is going away, this converts the code to use struct
device instead.

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Peter Osterlund <petero2@telia.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h
index 5ea4f05..04b4d73 100644
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -290,7 +290,7 @@
 	int			write_congestion_off;
 	int			write_congestion_on;
 
-	struct class_device	*clsdev;	/* sysfs pktcdvd[0-7] class dev */
+	struct device		*dev;		/* sysfs pktcdvd[0-7] dev */
 	struct pktcdvd_kobj	*kobj_stat;	/* sysfs pktcdvd[0-7]/stat/     */
 	struct pktcdvd_kobj	*kobj_wqueue;	/* sysfs pktcdvd[0-7]/write_queue/ */