fix opencv#11668.

daedric · Jun 2, 2018 · 4bb220b · 4bb220b
1 parent 0f298a4
commit 4bb220b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/modules/viz/include/opencv2/viz/widgets.hpp b/modules/viz/include/opencv2/viz/widgets.hpp
@@ -95,7 +95,7 @@ namespace cv
             Widget();
             Widget(const Widget& other);
             Widget& operator=(const Widget& other);
-            ~Widget();
+            virtual ~Widget();
 
             /** @brief Creates a widget from ply file.