[PATCH -next] cx231xx: fix SND dependency build error

[Randy Dunlap]

From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>

Don't select VIDEO_CX231XX_ALSA when SND is not enabled since selecting it
won't cause SND to be enabled.

ERROR: "snd_pcm_period_elapsed" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_card_create" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_pcm_hw_constraint_integer" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_pcm_set_ops" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_pcm_lib_ioctl" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_card_free" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_card_register" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!
ERROR: "snd_pcm_new" [drivers/media/video/cx231xx/cx231xx-alsa.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
 drivers/media/video/cx231xx/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20090407.orig/drivers/media/video/cx231xx/Kconfig
+++ linux-next-20090407/drivers/media/video/cx231xx/Kconfig
@@ -6,7 +6,7 @@ config VIDEO_CX231XX
        select VIDEO_IR
        select VIDEOBUF_VMALLOC
        select VIDEO_CX25840
-       select VIDEO_CX231XX_ALSA
+       select VIDEO_CX231XX_ALSA if SND
 
 	---help---
 	  This is a video4linux driver for Conexant 231xx USB based TV cards.
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