FIX: Warning fixes on gcc
FIX: Warning fixes on gcc

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