ALSA: ctxfi: initialized snd_card

initialized the reference of snd_card which was added to the various
structures through the previous patch of the series.
these references of snd_card will be used in a later patch to convert
the pr_* macros to dev_*

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index e536ab9..5cc8c38 100644
--- a/sound/pci/ctxfi/ctatc.c
+++ b/sound/pci/ctxfi/ctatc.c
@@ -1333,6 +1333,7 @@
 		pr_err("Failed to create hw obj!!!\n");
 		return err;
 	}
+	hw->card = atc->card;
 	atc->hw = hw;
 
 	/* Initialize card hardware. */