From 288237ba21906808b73e312ce90efdf7292e1ef1 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Mon, 4 Nov 2024 10:15:40 +0100
Subject: [PATCH] iwyu tests.c

---
 src/tests.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tests.c b/src/tests.c
index 3667abfd4..af345afc3 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -49,6 +49,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdbool.h>           // for true
+#include <stddef.h>            // for ptrdiff_t
 #include <stdio.h>             // for fprintf, stderr
 #include <stdlib.h>
 #include <string.h>