Change declaration for VC compatibility.
Change declaration for VC compatibility.

cwilling/oiio,micler/oiio,YangYangTL/oiio,scott-wilson/oiio,mcanthony/oiio,bdeluca/oiio,micler/oiio,bdeluca/oiio,lgritz/oiio,OpenImageIO/oiio,cwilling/oiio,OpenImageIO/oiio,sambler/oiio,YangYangTL/oiio,mcanthony/oiio,YangYangTL/oiio,lgritz/oiio,scott-wilson/oiio,bdeluca/oiio,OpenImageIO/oiio,mcanthony/oiio,sambler/oiio,YangYangTL/oiio,micler/oiio,bdeluca/oiio,micler/oiio,scott-wilson/oiio,cwilling/oiio,mcanthony/oiio,scott-wilson/oiio,sambler/oiio,cwilling/oiio,lgritz/oiio,lgritz/oiio,OpenImageIO/oiio,sambler/oiio