BUG: Fix non-select process impl without timeout
BUG: Fix non-select process impl without timeout

This avoids use of an uninitialized value in the KWSys ProcessUNIX
polling implementation when no timeout is given.

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