Disabled compiling warnings in case of symbols in cmake for 4.x

modules/calib3d/src/calibration_handeye.cpp

@@ -839,7 +839,7 @@ static void calibrateRobotWorldHandEyeShah(const std::vector<Mat_<double>>& cRw,
 
 //Reference:
 //A. Li, L. Wang, and D. Wu, "Simultaneous robot-world and hand-eye calibration using dual-quaternions and kronecker product"
-//International Journal of Physical Sciences, vol. 5, pp. 1530–1536, 2010.
+//International Journal of Physical Sciences, vol. 5, pp. 1530-1536, 2010.
 //Matlab code: http://math.loyola.edu/~mili/Calibration/
 static void calibrateRobotWorldHandEyeLi(const std::vector<Mat_<double>>& cRw, const std::vector<Mat_<double>>& ctw,
                                          const std::vector<Mat_<double>>& gRb, const std::vector<Mat_<double>>& gtb,

modules/calib3d/src/usac.hpp

@@ -406,14 +406,14 @@ struct SPRT_history {
     /*
      * delta:
      * The probability of a data point being consistent
-     * with a ‘bad’ model is modeled as a probability of
+     * with a 'bad' model is modeled as a probability of
      * a random event with Bernoulli distribution with parameter
-     * δ : p(1|Hb) = δ.
+     * delta : p(1|Hb) = delta.
 
      * epsilon:
-     * The probability p(1|Hg) = ε
-     * that any randomly chosen data point is consistent with a ‘good’ model
-     * is approximated by the fraction of inliers ε among the data
+     * The probability p(1|Hg) = epsilon
+     * that any randomly chosen data point is consistent with a 'good' model
+     * is approximated by the fraction of inliers epsilon among the data
      * points
 
      * A is the decision threshold, the only parameter of the Adapted SPRT