V4L/DVB (7402):  add macro validation for v4l_compat_ioctl32

Added macro CONFIG_COMPAT for v4l_compat_ioctl32.

Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c
index cc8c824..cdb396d 100644
--- a/drivers/media/video/w9966.c
+++ b/drivers/media/video/w9966.c
@@ -188,7 +188,9 @@
 	.open           = video_exclusive_open,
 	.release        = video_exclusive_release,
 	.ioctl          = w9966_v4l_ioctl,
+#ifdef CONFIG_COMPAT
 	.compat_ioctl	= v4l_compat_ioctl32,
+#endif
 	.read           = w9966_v4l_read,
 	.llseek         = no_llseek,
 };