ALSA: cmi8328: array_find() can be static

Signed-off-by: Fengguang Wu <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/isa/cmi8328.c

···
 }
 
 /* find index of an item in "-1"-ended array */
-int array_find(int array[], int item)
+static int array_find(int array[], int item)
 {
 	int i;
 
···
 	return -1;
 }
 /* the same for long */
-int array_find_l(long array[], long item)
+static int array_find_l(long array[], long item)
 {
 	int i;