From fe4896873b1289afac0812c91f8ea4d925292f78 Mon Sep 17 00:00:00 2001
From: Ilya Lysenkov <no@email>
Date: Wed, 2 Jun 2010 05:39:29 +0000
Subject: [PATCH] Fixed a potential memory leak in OneWayDescriptorBase
 hierarchy.

---
 modules/features2d/include/opencv2/features2d/features2d.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/features2d/include/opencv2/features2d/features2d.hpp b/modules/features2d/include/opencv2/features2d/features2d.hpp
index c54b5f6723..f77275cac3 100644
--- a/modules/features2d/include/opencv2/features2d/features2d.hpp
+++ b/modules/features2d/include/opencv2/features2d/features2d.hpp
@@ -1030,7 +1030,7 @@ public:
                          int pca_dim_high = 100, int pca_dim_low = 100);
 
 
-    ~OneWayDescriptorBase();
+    virtual ~OneWayDescriptorBase();
 
     // Allocate: allocates memory for a given number of descriptors
     void Allocate(int train_feature_count);
@@ -1189,7 +1189,7 @@ public:
                            const string &train_path = string (), const string &images_list = string (), int pyr_levels = 1);
 
 
-    ~OneWayDescriptorObject();
+    virtual ~OneWayDescriptorObject();
 
     // Allocate: allocates memory for a given number of features
     // - train_feature_count: the total number of features