[OpenVDB] Don't allow any exceptions to escape and use Filesystem::fopen (#2135)
[OpenVDB] Don't allow any exceptions to escape and use Filesystem::fopen (#2135)



lgritz/oiio,lgritz/oiio,lgritz/oiio,OpenImageIO/oiio,OpenImageIO/oiio,lgritz/oiio,OpenImageIO/oiio,OpenImageIO/oiio