selftest/alsa: correct grammar in conf_get_bool error string

The phrase "an bool" is grammatically incorrect; it should be
"a bool".

Signed-off-by: Zhang Chujun <zhangchujun@cmss.chinamobile.com>
Link: https://patch.msgid.link/20251106055819.1996-1-zhangchujun@cmss.chinamobile.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/tools/testing/selftests/alsa/conf.c b/tools/testing/selftests/alsa/conf.c
index e2b3a5810f474dd30efd29323542ea68a24bd776..dc7f40e68deedd35c28dbd03663978a866112f9f 100644 (file)
--- a/tools/testing/selftests/alsa/conf.c
+++ b/tools/testing/selftests/alsa/conf.c
@@ -448,7 +448,7 @@ int conf_get_bool(snd_config_t *root, const char *key1, const char *key2, int de
                ksft_exit_fail_msg("key '%s'.'%s' search error: %s\n", key1, key2, snd_strerror(ret));
        ret = snd_config_get_bool(cfg);
        if (ret < 0)
-               ksft_exit_fail_msg("key '%s'.'%s' is not an bool\n", key1, key2);
+               ksft_exit_fail_msg("key '%s'.'%s' is not a bool\n", key1, key2);
        return !!ret;
 }