From fe967e7656808847e59df12ee93cbf136b0eef95 Mon Sep 17 00:00:00 2001
From: Jordan Cristiano <jordan.cristi@gmail.com>
Date: Fri, 15 May 2015 19:16:15 -0400
Subject: [PATCH] Added missing stdlib.h for abs on gcc

---
 external/sourcesdk/bitbuf.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/external/sourcesdk/bitbuf.cpp b/external/sourcesdk/bitbuf.cpp
index bd328ea..1703506 100644
--- a/external/sourcesdk/bitbuf.cpp
+++ b/external/sourcesdk/bitbuf.cpp
@@ -9,6 +9,7 @@
 #include "bitbuf.h"
 #include <string.h>
 #include <math.h>
+#include <stdlib.h>
 
 // FIXME: Can't use this until we get multithreaded allocations in tier0 working for tools
 // This is used by VVIS and fails to link