V4L/DVB (5379): If possible make vars/functions static.

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 73a1c93..01a41a8 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -66,7 +66,7 @@
       .poll = ivtv_v4l2_dec_poll,
 };
 
-struct {
+static struct {
 	const char *name;
 	int vfl_type;
 	int minor_offset;