Change oiiotool to use the new "open with subimages specified" API call in order to accommodate file formats that need this call rather than appending subimages without prior declaration.
Change oiiotool to use the new "open with subimages specified" API call
in order to accommodate file formats that need this call rather than
appending subimages without prior declaration.

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