[ALSA] Add missing static in ac97_codec.c

Added missing static to snd_ac97_restore_status() and
snd_ac97_restore_iec958() functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
1 file changed