Added License information

Nerdyvedi · web-flow · commit 60fef49b7068 · 2019-09-01T01:21:55.000+05:30
diff --git a/modules/ximgproc/include/opencv2/ximgproc/globalmatting.hpp b/modules/ximgproc/include/opencv2/ximgproc/globalmatting.hpp
@@ -1,3 +1,6 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
 #ifndef GLOBAL_MATTING_H
 #define GLOBAL_MATTING_H
 
