From 619f3d315628e6240264150f2e01046f812226b7 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Sun, 21 Jun 2026 19:57:45 +0100
Subject: [PATCH] Missing header.

---
 window-border.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/window-border.c b/window-border.c
index adb81b8b5..5420f4b97 100644
--- a/window-border.c
+++ b/window-border.c
@@ -18,6 +18,7 @@
 
 #include <sys/types.h>
 
+#include <stdlib.h>
 #include <string.h>
 
 #include "tmux.h"