fixed typedef for LogisticRegression. Updated LogisticRegression prototype with newer C++ API

modules/ml/include/opencv2/ml.hpp

@@ -647,8 +647,8 @@ CV_EXPORTS void randGaussMixture( InputArray means, InputArray covs, InputArray
 /* creates test set */
 CV_EXPORTS void createConcentricSpheresTestSet( int nsamples, int nfeatures, int nclasses,
                                                 OutputArray samples, OutputArray responses);
-typedef CvLR_TrainParams LogisticRegression_TrainParams;
-typedef CvLR LogisticRegression;
+typedef LogisticRegressionParams LRParams;
+typedef LogisticRegression LR;
 
 
 }