COMP: Variables may be undefined
COMP: Variables may be undefined

ExposeMetaData may return without setting a data value. This causes
some compilers to warn about possibly using uninitialized data. The
code prevents using the data if it is not returned, however the
compiler is not smart enough to know this.

Change-Id: I6780664518063eb582fb7410dd6b68342f68d1a5

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