V4L/DVB (6485): ivtv: fix compile warning

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index aa03e61..74fb0e0 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -76,7 +76,7 @@
 	int minor_offset;
 	int dma, pio;
 	enum v4l2_buf_type buf_type;
-	struct file_operations *fops;
+	const struct file_operations *fops;
 } ivtv_stream_info[] = {
 	{	/* IVTV_ENC_STREAM_TYPE_MPG */
 		"encoder MPG",