Fix T40797: Crash on render on specific file with volumentrics and 'use hair' clicked on render layer
Fix T40797: Crash on render on specific file with volumentrics and 'use hair' clicked on render layer

pyrochlore/cycles,pyrochlore/cycles,tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,pyrochlore/cycles