[media] pvrusb2: Clean up pvr2_hdw_get_detected_std()

Move full implementation of pvr2_hdw_get_detected_std() actually
include pvr2_hdw_get_detected_std().

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/pvrusb2/pvrusb2-hdw.c

@@ -2997,6 +2997,7 @@ static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
 
 int pvr2_hdw_get_detected_std(struct pvr2_hdw *hdw, v4l2_std_id *std)
 {
+	*std = V4L2_STD_ALL;
 	v4l2_device_call_all(&hdw->v4l2_dev, 0,
 			     video, querystd, std);
 	return 0;