USB: ehci-hcd: fix sparse warning about shadowing 'status' symbol

fix warning:
drivers/usb/host/ehci-hcd.c:832:8: warning: symbol 'status' shadows an earlier one
drivers/usb/host/ehci-hcd.c:790:71: originally declared here
Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ehci-hcd.c

@@ -862,16 +862,16 @@ static int ehci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 		/* reschedule QH iff another request is queued */
 		if (!list_empty (&qh->qtd_list)
 				&& HC_IS_RUNNING (hcd->state)) {
-			int status;
+			int schedule_status;
 
-			status = qh_schedule (ehci, qh);
+			schedule_status = qh_schedule (ehci, qh);
 			spin_unlock_irqrestore (&ehci->lock, flags);
 
-			if (status != 0) {
+			if (schedule_status != 0) {
 				// shouldn't happen often, but ...
 				// FIXME kill those tds' urbs
 				err ("can't reschedule qh %p, err %d",
-					qh, status);
+					qh, schedule_status);
 			}
 			return status;
 		}