Change cstring to string to fix build issues -- fixes #206
Change cstring to string to fix build issues -- fixes #206

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