[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/hwdep.c b/sound/core/hwdep.c
index 997dd41..9383f12 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -359,7 +359,7 @@
 	snd_assert(rhwdep != NULL, return -EINVAL);
 	*rhwdep = NULL;
 	snd_assert(card != NULL, return -ENXIO);
-	hwdep = kcalloc(1, sizeof(*hwdep), GFP_KERNEL);
+	hwdep = kzalloc(sizeof(*hwdep), GFP_KERNEL);
 	if (hwdep == NULL)
 		return -ENOMEM;
 	hwdep->card = card;