From b670e362e8efe85fdbb022ab55a70b51d58df634 Mon Sep 17 00:00:00 2001
From: Tokunori Ikegami <ikegami.t@gmail.com>
Date: Tue, 13 May 2025 01:47:17 +0900
Subject: [PATCH] sighdl: include stddef header file for NULL definition

The header file required for the muon build on CentOS.

Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>
---
 util/sighdl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util/sighdl.c b/util/sighdl.c
index bf2bbc350b..2fbb59fdf4 100644
--- a/util/sighdl.c
+++ b/util/sighdl.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 #include <signal.h>
 #include <errno.h>
+#include <stddef.h>
 
 #include "sighdl.h"