resolves "error: comparison between signed and unsigned integer expressions"
resolves "error: comparison between signed and unsigned integer expressions"

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