Update for Unity L2 Spherical Harmionics in 5.3.5p5

Unity recently added support for L2 Spherical Harmionics for lightprobes in 5.3.5p5.

thread - http://forum.unity3d.com/threads/unity-5-3-1p2-light-probe-issue-dark-spot-in-the-opposite-direction-of-the-directional-light.378516/

You can see the difference here:

I'm guessing that Shader Forge's shader code needs to be updated in order to benefit from this change?

Any assistance would be very appreciated -

Cheers