Fix uninitialized variable
Fix uninitialized variable

mcanthony/oiio,sambler/oiio,bdeluca/oiio,cwilling/oiio,YangYangTL/oiio,mcanthony/oiio,OpenImageIO/oiio,bdeluca/oiio,YangYangTL/oiio,mcanthony/oiio,lgritz/oiio,mcanthony/oiio,YangYangTL/oiio,sambler/oiio,bdeluca/oiio,micler/oiio,cwilling/oiio,OpenImageIO/oiio,YangYangTL/oiio,lgritz/oiio,cwilling/oiio,OpenImageIO/oiio,sambler/oiio,micler/oiio,lgritz/oiio,cwilling/oiio,micler/oiio,micler/oiio,lgritz/oiio,OpenImageIO/oiio,bdeluca/oiio,sambler/oiio