From f4c460dacdda5c6e1896a0c51d6096c4f3417b32 Mon Sep 17 00:00:00 2001
From: Lutz Donnerhacke <donner@FreeBSD.org>
Date: Wed, 26 May 2021 21:59:12 +0200
Subject: [PATCH] tests/libalias: Fix build error due to wrong prototype

---
 tests/sys/netinet/libalias/perf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/sys/netinet/libalias/perf.c b/tests/sys/netinet/libalias/perf.c
index b9e95a25b61..3c0b0d593f4 100644
--- a/tests/sys/netinet/libalias/perf.c
+++ b/tests/sys/netinet/libalias/perf.c
@@ -58,7 +58,7 @@ static void usage(void);
 	} } while(0)
 
 static void
-usage() {
+usage(void) {
 	printf("Usage: perf [max_seconds [batch_size [random_size [attack_size [redir_size]]]]]\n");
 	exit(1);
 }