pcm.c: fix indentation
pcm.c: fix indentation

Signed-off-by: Daniel Mack <70806a71956ed8873ecff8522779dae1401a1b4a@gmail.com>
Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

zedongchen/alsa-lib,mengdonglin/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,takaswie/alsa-lib,mengdonglin/alsa-lib,tiwai/alsa-lib,alsa-project/alsa-lib,zedongchen/alsa-lib,tiwai/alsa-lib,lgirdwood/alsa-lib,lgirdwood/alsa-lib,takaswie/alsa-lib,Distrotech/alsa-lib,tiwai/alsa-lib,zedongchen/alsa-lib,alsa-project/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,mikelima/alsa-lib,mikelima/alsa-lib,zedongchen/alsa-lib,Distrotech/alsa-lib,zedongchen/alsa-lib,mengdonglin/alsa-lib,mikelima/alsa-lib,alsa-project/alsa-lib,tiwai/alsa-lib,alsa-project/alsa-lib,Distrotech/alsa-lib,takaswie/alsa-lib,Distrotech/alsa-lib,mikelima/alsa-lib,Distrotech/alsa-lib,mikelima/alsa-lib,takaswie/alsa-lib,lgirdwood/alsa-lib,takaswie/alsa-lib