oiiotool -autocc : fix color conversion
oiiotool -autocc : fix color conversion

bdeluca/oiio,OpenImageIO/oiio,lgritz/oiio,OpenImageIO/oiio,micler/oiio,lgritz/oiio,micler/oiio,lgritz/oiio,bdeluca/oiio,OpenImageIO/oiio,YangYangTL/oiio,micler/oiio,bdeluca/oiio,micler/oiio,YangYangTL/oiio,bdeluca/oiio,YangYangTL/oiio,OpenImageIO/oiio,lgritz/oiio,YangYangTL/oiio