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-rw-r--r--src/sound.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/sound.c b/src/sound.c
index c512ca45864..af2369040cc 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -113,7 +113,8 @@ enum sound_attr
SOUND_ATTR_SENTINEL
};
-static void sound_perror P_ ((char *));
+static void alsa_sound_perror P_ ((char *, int)) NO_RETURN;
+static void sound_perror P_ ((char *)) NO_RETURN;
static void sound_warning P_ ((char *));
static int parse_sound P_ ((Lisp_Object, Lisp_Object *));