fix type conversion warnings on new dashboard machine

CMake/CTestCustom.cmake.in

Common/Core/vtkSparseArray.txx

Common/DataModel/vtkArrayListTemplate.h

Common/ExecutionModel/vtkThreadedCompositeDataPipeline.cxx

Filters/FlowPaths/vtkTemporalStreamTracer.cxx

Filters/ParallelMPI/vtkDistributedDataFilter.cxx

Filters/Statistics/vtkContingencyStatistics.cxx

Filters/Statistics/vtkMultiCorrelativeStatistics.cxx

Filters/Statistics/vtkOrderStatistics.cxx

Filters/Statistics/vtkStatisticsAlgorithmPrivate.h

IO/Core/vtkLZ4DataCompressor.cxx

IO/NetCDF/vtkMPASReader.cxx

Infovis/Core/vtkTableToSparseArray.cxx