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/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig
index c68ba74..eeb5224 100644
--- a/drivers/media/video/cx88/Kconfig
+++ b/drivers/media/video/cx88/Kconfig
@@ -46,7 +46,7 @@
 config VIDEO_CX88_DVB
 	tristate "DVB/ATSC Support for cx2388x based TV cards"
 	depends on VIDEO_CX88 && DVB_CORE
-	select VIDEO_BUF_DVB
+	select VIDEOBUF_DVB
 	select DVB_PLL if !DVB_FE_CUSTOMISE
 	select DVB_MT352 if !DVB_FE_CUSTOMISE
 	select DVB_ZL10353 if !DVB_FE_CUSTOMISE