V4L/DVB (10049): gspca - many subdrivers: Set 'const' the pixel format table.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 79cef31..c90af9c 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -56,7 +56,7 @@
 /* device information - set at probe time */
 struct cam {
 	int bulk_size;		/* buffer size when image transfer by bulk */
-	struct v4l2_pix_format *cam_mode;	/* size nmodes */
+	const struct v4l2_pix_format *cam_mode;	/* size nmodes */
 	char nmodes;
 	__u8 bulk_nurbs;	/* number of URBs in bulk mode
 				 * - cannot be > MAX_NURBS