message: Only warn if glBindFragDataLocation is not supported
  * This becomes very spammy and there's not much that can be done - we just have
  to hope the program bindings are not variable and end up the same on replay as
  they were on capture.
diff: @@ -868,7 +868,7 @@ void CopyProgramFragDataBindings(const GLHookSet &gl, GLuint progsrc, GLuint pro
  {
  // glBindFragDataLocation is not core GLES, but it is in GL_EXT_blend_func_extended
  // TODO what to do if that extension is not supported
  - RDCERR("glBindFragDataLocation is not supported!");
  + RDCWARN("glBindFragDataLocation is not supported!");
  }
  }
  }
  @@ -955,7 +955,7 @@ void SerialiseProgramBindings(SerialiserType &ser, CaptureState state, const GLH
  {
  // glBindFragDataLocation is not core GLES, but it is in GL_EXT_blend_func_extended
  // TODO what to do if that extension is not supported
  - RDCERR("glBindFragDataLocation is not supported!");
  + RDCWARN("glBindFragDataLocation is not supported!");
  }
  }
  }
  