Fix a typo
Fix a typo

Fix a typo of sostenuto.
The old definition is kept for compatibility.

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