"PERF: Bypass virtual table EvaluateMovingImageValueAndDerivative in PCA

In "itkPCAMetric.h", just like in "itkPCAMetric_F_multithreaded.h"

- Follow-up to pull request #558 commit d34c196 "PERF: Bypass virtual table on EvaluateMovingImageValueAndDerivative call" (Nov 28, 2021)

Components/Metrics/PCAMetric/itkPCAMetric.hxx

@@ -236,7 +236,7 @@ PCAMetric<TFixedImage, TMovingImage>::GetValue(const TransformParametersType & p
 
       if (sampleOk)
       {
-        sampleOk = this->EvaluateMovingImageValueAndDerivative(mappedPoint, movingImageValue, 0);
+        sampleOk = this->Superclass::EvaluateMovingImageValueAndDerivative(mappedPoint, movingImageValue, nullptr);
       }
 
       if (sampleOk)
@@ -474,7 +474,7 @@ PCAMetric<TFixedImage, TMovingImage>::GetValueAndDerivative(const TransformParam
       if (sampleOk)
 
       {
-        sampleOk = this->EvaluateMovingImageValueAndDerivative(mappedPoint, movingImageValue, 0);
+        sampleOk = this->Superclass::EvaluateMovingImageValueAndDerivative(mappedPoint, movingImageValue, nullptr);
       }
 
       if (sampleOk)
@@ -672,7 +672,7 @@ PCAMetric<TFixedImage, TMovingImage>::GetValueAndDerivative(const TransformParam
       this->GetFixedImage()->TransformContinuousIndexToPhysicalPoint(voxelCoord, fixedPoint);
       const MovingImagePointType mappedPoint = this->TransformPoint(fixedPoint);
 
-      this->EvaluateMovingImageValueAndDerivative(mappedPoint, movingImageValue, &movingImageDerivative);
+      this->Superclass::EvaluateMovingImageValueAndDerivative(mappedPoint, movingImageValue, &movingImageDerivative);
 
       /** Get the TransformJacobian dT/dmu */
       this->EvaluateTransformJacobian(fixedPoint, jacobian, nzjis[d]);