[ALSA] Replace with kzalloc() - core stuff

Control Midlevel,ALSA Core,HWDEP Midlevel,PCM Midlevel,RawMidi Midlevel
Timer Midlevel,ALSA<-OSS emulation
Replace kcalloc(1,..) with kzalloc().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/device.c b/sound/core/device.c
index ca00ad7..1f509f5 100644
--- a/sound/core/device.c
+++ b/sound/core/device.c
@@ -49,7 +49,7 @@
 	snd_assert(card != NULL, return -ENXIO);
 	snd_assert(device_data != NULL, return -ENXIO);
 	snd_assert(ops != NULL, return -ENXIO);
-	dev = kcalloc(1, sizeof(*dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (dev == NULL)
 		return -ENOMEM;
 	dev->card = card;