HID: corsair-void: Use to_delayed_work()

Use to_delayed_work() instead of open-coding it.

Signed-off-by: Chen Ni <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/hid/hid-corsair-void.c

···
 	struct delayed_work *delayed_work;
 	int battery_ret;
 
-	delayed_work = container_of(work, struct delayed_work, work);
+	delayed_work = to_delayed_work(work);
 	drvdata = container_of(delayed_work, struct corsair_void_drvdata,
 			       delayed_status_work);
 
···
 	struct delayed_work *delayed_work;
 	int firmware_ret;
 
-	delayed_work = container_of(work, struct delayed_work, work);
+	delayed_work = to_delayed_work(work);
 	drvdata = container_of(delayed_work, struct corsair_void_drvdata,
 			       delayed_firmware_work);