staging: ozwpan: Remove memset

As we are initialising structure, we do not require
memset().

Signed-off-by: Rupesh Gujare <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/ozwpan/ozpd.c

···
 	if (hrtimer_active(&pd->heartbeat))
 		hrtimer_cancel(&pd->heartbeat);
 
-	memset(&pd->workitem, 0, sizeof(pd->workitem));
 	INIT_WORK(&pd->workitem, oz_pd_free);
 	ret = schedule_work(&pd->workitem);