ALSA: pcm: Use krealloc() for resizing the rules array

Just a minor simplification.  Change from kcalloc() shouldn't matter
as each array element is fully initialized.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed