BUG: fix unitialized member variable

Modules/Filtering/DimensionalityReduction/include/otbEstimateInnerProductPCAImageFilter.hxx

@@ -34,9 +34,8 @@ namespace otb
  */
 template <class TInputImage, class TOutputImage>
 EstimateInnerProductPCAImageFilter<TInputImage, TOutputImage>
-::EstimateInnerProductPCAImageFilter()
+::EstimateInnerProductPCAImageFilter(): m_NumberOfPrincipalComponentsRequired(1), m_CenterData(true)
 {
-  m_NumberOfPrincipalComponentsRequired = 1;
 }
 
 /**

Modules/Filtering/DimensionalityReduction/include/otbInnerProductPCAImageFilter.hxx

@@ -36,6 +36,7 @@ InnerProductPCAImageFilter<TInputImage, TOutputImage>
   this->SetNthOutput(0, OutputImageType::New());
   m_EstimatePCAFilter  = EstimatePCAFilterType::New();
   m_NormalizePCAFilter  = NormalizePCAFilterType::New();
+  m_NumberOfPrincipalComponentsRequired = 1;
   m_CenterData = true;
   m_GenerateMeanComponent = false;
   m_MeanFilter = MeanFilterType::New();