COMP: Mingw warns on type qualifier return type
COMP: Mingw warns on type qualifier return type

Thousands of type qualifier ignored on function return type on mingw
systems.

Change-Id: I842a3ba42bab86ffee3481b4d95fd293f8f7151f

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