From 192ca711efd8efb4ea6e9e3b439e518e8caff9ad Mon Sep 17 00:00:00 2001
From: George Andrew Brindeiro <georgebrindeiro@gmail.com>
Date: Tue, 24 Sep 2013 12:59:37 -0300
Subject: [PATCH] Added nonfree headers that are required for using SURF
 features

---
 doc/tutorials/features2d/feature_detection/feature_detection.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/tutorials/features2d/feature_detection/feature_detection.rst b/doc/tutorials/features2d/feature_detection/feature_detection.rst
index 0e690404a8..51776de1fc 100644
--- a/doc/tutorials/features2d/feature_detection/feature_detection.rst
+++ b/doc/tutorials/features2d/feature_detection/feature_detection.rst
@@ -30,6 +30,7 @@ This tutorial code's is shown lines below. You can also download it from `here <
    #include <iostream>
    #include "opencv2/core/core.hpp"
    #include "opencv2/features2d/features2d.hpp"
+   #include "opencv2/nonfree/features2d.hpp"
    #include "opencv2/highgui/highgui.hpp"
    #include "opencv2/nonfree/nonfree.hpp"