BUG: Fix memory leak in MetaImageIO after exception
BUG: Fix memory leak in MetaImageIO after exception

See ITK-3186

Change-Id: Ia78caea1c140c93f209b8b8505d4b75a06ed39fb

BRAINSia/ITK,blowekamp/ITK,BlueBrain/ITK,biotrump/ITK,jmerkow/ITK,zachary-williamson/ITK,stnava/ITK,hendradarwin/ITK,vfonov/ITK,stnava/ITK,hjmjohnson/ITK,BRAINSia/ITK,zachary-williamson/ITK,LucHermitte/ITK,BRAINSia/ITK,richardbeare/ITK,jcfr/ITK,LucHermitte/ITK,spinicist/ITK,vfonov/ITK,vfonov/ITK,blowekamp/ITK,spinicist/ITK,fedral/ITK,spinicist/ITK,heimdali/ITK,thewtex/ITK,richardbeare/ITK,fbudin69500/ITK,jmerkow/ITK,fedral/ITK,biotrump/ITK,hjmjohnson/ITK,thewtex/ITK,heimdali/ITK,ajjl/ITK,jcfr/ITK,BlueBrain/ITK,zachary-williamson/ITK,thewtex/ITK,fbudin69500/ITK,zachary-williamson/ITK,atsnyder/ITK,biotrump/ITK,hjmjohnson/ITK,malaterre/ITK,stnava/ITK,Kitware/ITK,zachary-williamson/ITK,Kitware/ITK,PlutoniumHeart/ITK,LucasGandel/ITK,stnava/ITK,Kitware/ITK,vfonov/ITK,BRAINSia/ITK,fbudin69500/ITK,BlueBrain/ITK,msmolens/ITK,malaterre/ITK,PlutoniumHeart/ITK,LucHermitte/ITK,PlutoniumHeart/ITK,msmolens/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,jcfr/ITK,atsnyder/ITK,stnava/ITK,malaterre/ITK,LucHermitte/ITK,heimdali/ITK,jcfr/ITK,LucasGandel/ITK,zachary-williamson/ITK,ajjl/ITK,vfonov/ITK,PlutoniumHeart/ITK,stnava/ITK,BRAINSia/ITK,atsnyder/ITK,jcfr/ITK,hendradarwin/ITK,hjmjohnson/ITK,jcfr/ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,ajjl/ITK,jcfr/ITK,jmerkow/ITK,PlutoniumHeart/ITK,stnava/ITK,ajjl/ITK,msmolens/ITK,vfonov/ITK,richardbeare/ITK,richardbeare/ITK,PlutoniumHeart/ITK,zachary-williamson/ITK,hjmjohnson/ITK,hendradarwin/ITK,malaterre/ITK,atsnyder/ITK,vfonov/ITK,fbudin69500/ITK,fbudin69500/ITK,fbudin69500/ITK,thewtex/ITK,LucasGandel/ITK,PlutoniumHeart/ITK,blowekamp/ITK,fedral/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,hjmjohnson/ITK,vfonov/ITK,hjmjohnson/ITK,heimdali/ITK,malaterre/ITK,spinicist/ITK,vfonov/ITK,BRAINSia/ITK,LucHermitte/ITK,jcfr/ITK,thewtex/ITK,blowekamp/ITK,spinicist/ITK,ajjl/ITK,fedral/ITK,heimdali/ITK,fedral/ITK,thewtex/ITK,blowekamp/ITK,jmerkow/ITK,atsnyder/ITK,LucHermitte/ITK,blowekamp/ITK,BlueBrain/ITK,msmolens/ITK,richardbeare/ITK,jmerkow/ITK,LucHermitte/ITK,heimdali/ITK,InsightSoftwareConsortium/ITK,hendradarwin/ITK,LucasGandel/ITK,biotrump/ITK,malaterre/ITK,BlueBrain/ITK,richardbeare/ITK,BlueBrain/ITK,Kitware/ITK,blowekamp/ITK,Kitware/ITK,LucasGandel/ITK,Kitware/ITK,msmolens/ITK,stnava/ITK,LucHermitte/ITK,hendradarwin/ITK,zachary-williamson/ITK,biotrump/ITK,fedral/ITK,spinicist/ITK,BlueBrain/ITK,ajjl/ITK,ajjl/ITK,heimdali/ITK,fedral/ITK,LucasGandel/ITK,hendradarwin/ITK,atsnyder/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,msmolens/ITK,heimdali/ITK,blowekamp/ITK,atsnyder/ITK,hendradarwin/ITK,LucasGandel/ITK,spinicist/ITK,malaterre/ITK,malaterre/ITK,spinicist/ITK,hendradarwin/ITK,zachary-williamson/ITK,BlueBrain/ITK,PlutoniumHeart/ITK,thewtex/ITK,malaterre/ITK,msmolens/ITK,atsnyder/ITK,msmolens/ITK,richardbeare/ITK,Kitware/ITK,fedral/ITK,InsightSoftwareConsortium/ITK,atsnyder/ITK,stnava/ITK,biotrump/ITK,fbudin69500/ITK,jmerkow/ITK,InsightSoftwareConsortium/ITK,jmerkow/ITK,ajjl/ITK,fbudin69500/ITK,jmerkow/ITK,BRAINSia/ITK