[HOU-2728] Falloff doesn't render with production render, but does with IPR

[Dubbie99]

When a V-Ray falloff shader is set up for distance blend along world Y, it renders correctly in the IPR renderer, but fails to render in the production renderer, whether it is set to bucket or progressive

vray_adv_51020_houdini18.5.672_ff45c2b_16483

IPR (Correct)





Production (Incorrect)



Please see attached .hip.

[bdancer]

The fix should be already in the nightlies, tnx!