Make core/internal.hpp a private header

modules/contrib/src/precomp.hpp

@@ -43,18 +43,14 @@
 #ifndef __OPENCV_PRECOMP_H__
 #define __OPENCV_PRECOMP_H__
 
-#ifdef HAVE_CVCONFIG_H
-#include "cvconfig.h"
-#endif
-
 #include "opencv2/contrib.hpp"
 #include "opencv2/features2d.hpp"
 #include "opencv2/objdetect.hpp"
 #include "opencv2/imgproc.hpp"
 #include "opencv2/imgproc/imgproc_c.h"
-
 #include "opencv2/core/utility.hpp"
-#include "opencv2/core/internal.hpp"
+
+#include "opencv2/core/private.hpp"
 
 namespace cv
 {

modules/contrib/src/rgbdodometry.cpp

@@ -54,7 +54,6 @@
 #include <iostream>
 #include <limits>
 
-#include "opencv2/core/internal.hpp"
 #if defined(HAVE_EIGEN) && EIGEN_WORLD_VERSION == 3
 #  ifdef ANDROID
      template <typename Scalar> Scalar log2(Scalar v) { return std::log(v)/std::log(Scalar(2)); }