Bug fix: that latest make_texture optimization needs to check that the images aren't cached.
Bug fix: that latest make_texture optimization needs to check that the images aren't cached.

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