Fix segfault with invalid meter plugin option
Fix segfault with invalid meter plugin option

snd_pcm_meter_add_scope_conf() may cause a segfault when pcm_scope_type
isn't defined.

Initialize type_conf properly to avoid it.

Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

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