Reproduction steps:

1. Open the attached project.
2. Play the "UMA > Example > Scenes > Scene01 - Crowd - PBR 1" scene.
3. Wait a few seconds until characters generates.
4. Check the characters hair color and the console screen(Pictures attached).
- "Unrecognized identifier 'UNITY_SHADOW_COORDS' at line 203" shader error in the console.
- Shaders shows with a magenta error color.

Regression introduced in:
- 5.6.0b2

Reproduced with:
- 5.6.0b2, 5.6.0b4
- OSX - OpenGLCore, Metal
- Windows - OpenGLCore, DirectX11

Not reproducible with:
- 5.6.0b1

Note:
- User gets "line 136" instead of "line 203" with OpenGLCore.