fixed #1565 issue

diff --git a/modules/contrib/include/opencv2/contrib/retina.hpp b/modules/contrib/include/opencv2/contrib/retina.hpp
index 6bf4877..13c8978 100644 (file)
--- a/modules/contrib/include/opencv2/contrib/retina.hpp
+++ b/modules/contrib/include/opencv2/contrib/retina.hpp
@@ -339,7 +339,7 @@ protected:
         * @param outputValarrayMatrix : the output valarray
         * @return the input image color mode (color=true, gray levels=false)
         */
-       const bool _convertCvMat2ValarrayBuffer(const cv::Mat inputMatToConvert, std::valarray<float> &outputValarrayMatrix);
+        bool _convertCvMat2ValarrayBuffer(const cv::Mat inputMatToConvert, std::valarray<float> &outputValarrayMatrix);
 
        //! private method called by constructors, gathers their parameters and use them in a unified way
        void _init(const Size inputSize, const bool colorMode, RETINA_COLORSAMPLINGMETHOD colorSamplingMethod=RETINA_COLOR_BAYER, const bool useRetinaLogSampling=false, const double reductionFactor=1.0, const double samplingStrenght=10.0);