ALSA: kunit: make read-only array buf_samples static const

Don't populate the read-only array buf_samples on the stack at
run time, instead make it static const.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-ID: <20240425160754.114716-1-colin.i.king@gmail.com>

sound/core/sound_kunit.c

@@ -167,7 +167,7 @@ static void _test_fill_silence(struct kunit *test, struct snd_format_test_data *
 
 static void test_format_fill_silence(struct kunit *test)
 {
-	u32 buf_samples[] = { 10, 20, 32, 64, 129, SILENCE_BUFFER_MAX_FRAMES };
+	static const u32 buf_samples[] = { 10, 20, 32, 64, 129, SILENCE_BUFFER_MAX_FRAMES };
 	u8 *buffer;
 	u32 i, j;