V4L/DVB (6260): Fix Kconfig dependency

Thanks to Michael Krufky for pointing this to me.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index fc3ea4c..e705265 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -138,7 +138,7 @@
 	select VIDEOBUF_GEN
 	tristate
 
-config VIDEO_BUF_DVB
+config VIDEOBUF_DVB
 	tristate
 
 config VIDEO_BTCX