BUG: Fix win64 testing errors on HDF5 image IO.
BUG: Fix win64 testing errors on HDF5 image IO.

Making sure the following exception won't be thrown:
itk::ERROR: Type not handled in HDF5 File: unsigned __int64

Change-Id: Ifefe7683312eb825d74f074d8a87ea13a6c15e28

hinerm/ITK,Kitware/ITK,Kitware/ITK,rhgong/itk-with-dom,spinicist/ITK,jcfr/ITK,PlutoniumHeart/ITK,PlutoniumHeart/ITK,malaterre/ITK,eile/ITK,paulnovo/ITK,msmolens/ITK,InsightSoftwareConsortium/ITK,LucHermitte/ITK,jmerkow/ITK,stnava/ITK,fuentesdt/InsightToolkit-dev,InsightSoftwareConsortium/ITK,fedral/ITK,vfonov/ITK,paulnovo/ITK,zachary-williamson/ITK,hendradarwin/ITK,eile/ITK,fedral/ITK,fedral/ITK,fbudin69500/ITK,vfonov/ITK,biotrump/ITK,jmerkow/ITK,PlutoniumHeart/ITK,spinicist/ITK,atsnyder/ITK,hinerm/ITK,fedral/ITK,thewtex/ITK,fedral/ITK,biotrump/ITK,LucasGandel/ITK,PlutoniumHeart/ITK,ajjl/ITK,jmerkow/ITK,BlueBrain/ITK,BlueBrain/ITK,heimdali/ITK,BRAINSia/ITK,hendradarwin/ITK,spinicist/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,fedral/ITK,spinicist/ITK,jcfr/ITK,stnava/ITK,LucHermitte/ITK,fbudin69500/ITK,spinicist/ITK,malaterre/ITK,blowekamp/ITK,zachary-williamson/ITK,jcfr/ITK,paulnovo/ITK,fuentesdt/InsightToolkit-dev,hendradarwin/ITK,jcfr/ITK,Kitware/ITK,paulnovo/ITK,LucHermitte/ITK,BRAINSia/ITK,LucasGandel/ITK,Kitware/ITK,richardbeare/ITK,blowekamp/ITK,spinicist/ITK,jcfr/ITK,fbudin69500/ITK,blowekamp/ITK,msmolens/ITK,PlutoniumHeart/ITK,jmerkow/ITK,fuentesdt/InsightToolkit-dev,paulnovo/ITK,msmolens/ITK,stnava/ITK,atsnyder/ITK,jmerkow/ITK,GEHC-Surgery/ITK,heimdali/ITK,fuentesdt/InsightToolkit-dev,malaterre/ITK,BRAINSia/ITK,ajjl/ITK,rhgong/itk-with-dom,fuentesdt/InsightToolkit-dev,LucHermitte/ITK,zachary-williamson/ITK,Kitware/ITK,PlutoniumHeart/ITK,blowekamp/ITK,jmerkow/ITK,biotrump/ITK,atsnyder/ITK,heimdali/ITK,hinerm/ITK,fbudin69500/ITK,ajjl/ITK,PlutoniumHeart/ITK,eile/ITK,fbudin69500/ITK,richardbeare/ITK,fbudin69500/ITK,msmolens/ITK,biotrump/ITK,LucasGandel/ITK,vfonov/ITK,PlutoniumHeart/ITK,richardbeare/ITK,biotrump/ITK,stnava/ITK,heimdali/ITK,zachary-williamson/ITK,stnava/ITK,vfonov/ITK,ajjl/ITK,blowekamp/ITK,eile/ITK,LucasGandel/ITK,eile/ITK,ajjl/ITK,rhgong/itk-with-dom,thewtex/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,jmerkow/ITK,BlueBrain/ITK,paulnovo/ITK,GEHC-Surgery/ITK,atsnyder/ITK,Kitware/ITK,GEHC-Surgery/ITK,BlueBrain/ITK,malaterre/ITK,InsightSoftwareConsortium/ITK,fbudin69500/ITK,hendradarwin/ITK,BRAINSia/ITK,rhgong/itk-with-dom,thewtex/ITK,vfonov/ITK,thewtex/ITK,hjmjohnson/ITK,thewtex/ITK,hinerm/ITK,hjmjohnson/ITK,GEHC-Surgery/ITK,stnava/ITK,eile/ITK,fuentesdt/InsightToolkit-dev,blowekamp/ITK,zachary-williamson/ITK,rhgong/itk-with-dom,BlueBrain/ITK,hinerm/ITK,spinicist/ITK,eile/ITK,blowekamp/ITK,zachary-williamson/ITK,biotrump/ITK,hendradarwin/ITK,eile/ITK,jcfr/ITK,GEHC-Surgery/ITK,fedral/ITK,vfonov/ITK,jcfr/ITK,malaterre/ITK,LucHermitte/ITK,stnava/ITK,richardbeare/ITK,hendradarwin/ITK,Kitware/ITK,hinerm/ITK,fuentesdt/InsightToolkit-dev,msmolens/ITK,InsightSoftwareConsortium/ITK,richardbeare/ITK,BlueBrain/ITK,fbudin69500/ITK,LucHermitte/ITK,ajjl/ITK,LucHermitte/ITK,biotrump/ITK,InsightSoftwareConsortium/ITK,fuentesdt/InsightToolkit-dev,malaterre/ITK,hinerm/ITK,zachary-williamson/ITK,malaterre/ITK,LucHermitte/ITK,atsnyder/ITK,rhgong/itk-with-dom,atsnyder/ITK,hinerm/ITK,richardbeare/ITK,atsnyder/ITK,GEHC-Surgery/ITK,LucasGandel/ITK,hendradarwin/ITK,paulnovo/ITK,atsnyder/ITK,hendradarwin/ITK,BRAINSia/ITK,paulnovo/ITK,spinicist/ITK,heimdali/ITK,jcfr/ITK,rhgong/itk-with-dom,biotrump/ITK,hinerm/ITK,spinicist/ITK,LucasGandel/ITK,GEHC-Surgery/ITK,thewtex/ITK,vfonov/ITK,msmolens/ITK,richardbeare/ITK,BRAINSia/ITK,stnava/ITK,vfonov/ITK,msmolens/ITK,stnava/ITK,hjmjohnson/ITK,heimdali/ITK,blowekamp/ITK,hjmjohnson/ITK,malaterre/ITK,ajjl/ITK,malaterre/ITK,vfonov/ITK,hjmjohnson/ITK,jmerkow/ITK,fuentesdt/InsightToolkit-dev,BlueBrain/ITK,BlueBrain/ITK,heimdali/ITK,msmolens/ITK,zachary-williamson/ITK,LucasGandel/ITK,heimdali/ITK,GEHC-Surgery/ITK,eile/ITK,rhgong/itk-with-dom,ajjl/ITK,atsnyder/ITK,thewtex/ITK,hjmjohnson/ITK,fedral/ITK,LucasGandel/ITK,zachary-williamson/ITK