Merge pull request #8333 from sovrasov:ml_svm_params_scope_fix

modules/ml/include/opencv2/ml.hpp

@@ -683,12 +683,12 @@ public:
     the usual %SVM with parameters specified in params is executed.
      */
     virtual bool trainAuto( const Ptr<TrainData>& data, int kFold = 10,
-                    ParamGrid Cgrid = SVM::getDefaultGrid(SVM::C),
-                    ParamGrid gammaGrid  = SVM::getDefaultGrid(SVM::GAMMA),
-                    ParamGrid pGrid      = SVM::getDefaultGrid(SVM::P),
-                    ParamGrid nuGrid     = SVM::getDefaultGrid(SVM::NU),
-                    ParamGrid coeffGrid  = SVM::getDefaultGrid(SVM::COEF),
-                    ParamGrid degreeGrid = SVM::getDefaultGrid(SVM::DEGREE),
+                    ParamGrid Cgrid = getDefaultGrid(C),
+                    ParamGrid gammaGrid  = getDefaultGrid(GAMMA),
+                    ParamGrid pGrid      = getDefaultGrid(P),
+                    ParamGrid nuGrid     = getDefaultGrid(NU),
+                    ParamGrid coeffGrid  = getDefaultGrid(COEF),
+                    ParamGrid degreeGrid = getDefaultGrid(DEGREE),
                     bool balanced=false) = 0;
 
     /** @brief Retrieves all the support vectors