From b8c0918ab9a285003203523097722e03359e9bd1 Mon Sep 17 00:00:00 2001
From: nullifiedcat <nullifiedcat@gmail.com>
Date: Wed, 19 Apr 2017 19:49:15 +0300
Subject: [PATCH] FIX compile fail

---
 src/interfaces.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/interfaces.h b/src/interfaces.h
index 98af39f4..e585c8a3 100644
--- a/src/interfaces.h
+++ b/src/interfaces.h
@@ -46,6 +46,7 @@ class IVModelRender;
 class IVModelRender;
 class IVRenderView;
 class IMaterialSystemFixed;
+class IMaterialSystem;
 
 extern ISteamClient* g_ISteamClient;
 extern ISteamFriends* g_ISteamFriends;