message: Fix for GCC7 case fall-through warning
diff: @@ -691,6 +691,7 @@ static void ForAllProgramUniforms(SerialiserType *ser, CaptureState state, const
  if(IsGLES)
  // Image uniforms cannot be re-assigned in GLES.
  break;
  + // deliberate fall-through
  // treat all samplers as just an int (since they just store their binding value)
  case eGL_SAMPLER_1D:
  case eGL_SAMPLER_2D:
  