Fix T38900: cycles OSL crash running getmessage("trace", "geom:name", name)
Fix T38900: cycles OSL crash running getmessage("trace", "geom:name", name)

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