media: staging: media: zoran: fix counting buffer in reserve

After each capture, zoran driver complains that it remains some unused
buffer. This is due to a missing count handling.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/zoran/zoran_driver.c

@@ -887,6 +887,7 @@ int zr_set_buf(struct zoran *zr)
 		return -EINVAL;
 	}
 	list_del(&buf->queue);
+	zr->buf_in_reserve--;
 	spin_unlock_irqrestore(&zr->queued_bufs_lock, flags);
 
 	vbuf = &buf->vbuf;