deps: Add include to deal with OIIO 3.0 deprecations

AcademySoftwareFoundation / OpenShadingLanguage

Advanced shading language for production GI renderers

BSD 3-Clause "New" or "Revised" License

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deps: Add include to deal with OIIO 3.0 deprecations #1884

Closed lgritz closed 1 month ago

lgritz commented 1 month ago

OIIO 3.0 shifts some things around slightly and requires us to include fmath.h directly in a place where we had been inadvertently relying on it getting included transitively (but now is not).