Add necessary extension for compiling #version 150 fixedcol.frag
Add necessary extension for compiling #version 150 fixedcol.frag

* Previously we were implicitly satisfying this by making it a separable
  program.

etnlGD/renderdoc,TurtleRockStudios/renderdoc_public,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,Zorro666/renderdoc,etnlGD/renderdoc,baldurk/renderdoc,TurtleRockStudios/renderdoc_public,etnlGD/renderdoc,googlestadia/renderdoc,googlestadia/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,TurtleRockStudios/renderdoc_public,Zorro666/renderdoc,Zorro666/renderdoc,googlestadia/renderdoc,baldurk/renderdoc,michaelrgb/renderdoc,TurtleRockStudios/renderdoc_public,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,baldurk/renderdoc,googlestadia/renderdoc,etnlGD/renderdoc