From a3288ea19a3cf0897c96874a490fbe4e210c7680 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 8 Apr 2014 11:07:57 +0000
Subject: [PATCH] From Pjotr Svetachov, previous obj "commit broke compilation
 under visual studio 2013. To use std::not1 you need to include the functional
 header. Here is a fix."

---
 src/osgPlugins/obj/obj.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/osgPlugins/obj/obj.cpp b/src/osgPlugins/obj/obj.cpp
index 1a528786a..b9d2c1f14 100644
--- a/src/osgPlugins/obj/obj.cpp
+++ b/src/osgPlugins/obj/obj.cpp
@@ -16,6 +16,7 @@
 #include <fstream>
 #include <string>
 #include <stdio.h>
+#include <functional>
 
 #include "obj.h"