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/pac7311.c b/drivers/media/video/gspca/pac7311.c
index 1b72e15..a9c95cb 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -226,7 +226,7 @@
 	},
 };
 
-static struct v4l2_pix_format vga_mode[] = {
+static const struct v4l2_pix_format vga_mode[] = {
 	{160, 120, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
 		.bytesperline = 160,
 		.sizeimage = 160 * 120 * 3 / 8 + 590,