COMP:Fixed tons of warnings.

Common/Testing/Cxx/ArrayAPI.cxx

Common/Testing/Cxx/ArrayAPIConvenience.cxx

Common/Testing/Cxx/ArrayAPIDense.cxx

Common/Testing/Cxx/ArrayAPISparse.cxx

Common/Testing/Cxx/ArrayBool.cxx

Common/Testing/Cxx/ArrayInterpolationDense.cxx

Common/Testing/Cxx/ArrayNullValues.cxx

Common/Testing/Cxx/ArraySlice.cxx

Common/Testing/Cxx/ArrayVariants.cxx

Common/Testing/Cxx/SparseArrayValidation.cxx

Common/vtkArrayWeights.cxx

Common/vtkArrayWeights.h

Examples/Array/Cxx/AdjacencyMatrix.cxx

Examples/Array/Cxx/ArrayBasics.cxx

Examples/Array/Cxx/ArrayIteration.cxx

Filtering/vtkArrayData.cxx

Infovis/Testing/Cxx/ArrayAPIDenseCoordinates.cxx

Infovis/Testing/Cxx/ArrayCosineSimilarity.cxx

Infovis/Testing/Cxx/ArrayDiagonalMatrixSource.cxx

Infovis/Testing/Cxx/ArrayExtractFactoredArray.cxx