From 8a7a0a5409f8fe8be05ce197f94715f86590813a Mon Sep 17 00:00:00 2001
From: Maksim Smolin <maximsmol@gmail.com>
Date: Tue, 22 Jan 2019 16:58:39 -0800
Subject: [PATCH] fix malloc.h missing from memdbgon.h on mac debug builds

---
 public/tier0/memdbgon.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/public/tier0/memdbgon.h b/public/tier0/memdbgon.h
index fff3f470..73bd9272 100644
--- a/public/tier0/memdbgon.h
+++ b/public/tier0/memdbgon.h
@@ -33,7 +33,11 @@
 #include <wchar.h>
 #endif
 #include <string.h>
+#if defined __APPLE__
+#include <stdlib.h>
+#else
 #include <malloc.h>
+#endif
 #include "commonmacros.h"
 #include "memalloc.h"