From 4d65466f02d042b1440a76d8e035a4cb58b0d1cf Mon Sep 17 00:00:00 2001
From: Sergey Bugaev <bugaevc@serenityos.org>
Date: Fri, 12 Jun 2020 16:21:49 +0300
Subject: [PATCH] AK: Fix missing ptrdiff_t in non-Serenity builds

We have to include <stddef.h> to get its definition.
---
 AK/Types.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/AK/Types.h b/AK/Types.h
index a93303ffaa1..5575be3e099 100644
--- a/AK/Types.h
+++ b/AK/Types.h
@@ -63,6 +63,7 @@ typedef int pid_t;
 
 #else
 #    include <stdint.h>
+#    include <stddef.h>
 #    include <sys/types.h>
 
 #    ifdef __ptrdiff_t