Update README.md

made some extra changes to the modules so I receive no warnings

moved the opencv2/core/private.hpp from stereo_binary_sgbm.cpp to precomp.hpp

modules/stereo/README.md

 Stereo Correspondence with different descriptors
-================================================
+================================================
\ No newline at end of file

modules/stereo/src/compat_binary_stereo.cpp

@@ -121,3 +121,4 @@ void cvValidateDisparity( CvArr* _disp, const CvArr* _cost, int minDisparity,
     cv::Mat disp = cv::cvarrToMat(_disp), cost = cv::cvarrToMat(_cost);
     cv::validateDisparity( disp, cost, minDisparity, numberOfDisparities, disp12MaxDiff );
 }
+

modules/stereo/src/precomp.hpp

@@ -46,6 +46,7 @@
 #include "opencv2/imgproc.hpp"
 #include "opencv2/features2d.hpp"
 #include "opencv2/core/utility.hpp"
+#include "opencv2/core/private.hpp"
 #include "opencv2/core.hpp"
 #include "opencv2/highgui.hpp"
 
@@ -53,3 +54,4 @@
 #include <cmath>
 
 #endif
+

modules/stereo/src/stereo_binary_bm.cpp

@@ -734,3 +734,4 @@ namespace cv
 }
 
 /* End of file. */
+

modules/stereo/src/stereo_binary_sgbm.cpp

@@ -51,7 +51,6 @@
  */
 
 #include "precomp.hpp"
-#include "opencv2\core\private.hpp"
 #include <limits.h>
 
 namespace cv
@@ -1201,3 +1200,4 @@ void cv::validateDisparity( InputOutputArray _disp, InputArray _cost, int minDis
         }
     }
 }
+