amidi: use ATTRIBUTE_UNUSED instead remove argument name

We need to support older compilers than GCC 11.

Link: https://github.com/alsa-project/alsa-utils/issues/233
Fixes: 1843540 ("amidi: fix the verbose compilation warnings for latest gcc")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/amidi/amidi.c b/amidi/amidi.c
index f930ca8ef30bf4691a3e7c2bb64f3d3336c957dc..75fb8c0a42a3177b08069db604c248b1b866bed5 100644 (file)
--- a/amidi/amidi.c
+++ b/amidi/amidi.c
@@ -446,7 +446,7 @@ static void print_byte(unsigned char byte, struct timespec *ts)
        printf("%02X", byte);
 }
 
-static void sig_handler(int)
+static void sig_handler(int sig ATTRIBUTE_UNUSED)
 {
        stop = 1;
 }