message: gltfpack: Add --nowarn to command line options
  This suppresses warnings about PNG paletted images.
diff: @@ -198,10 +198,10 @@ bool encodeKtx(const std::string& data, const char* mime_type, std::string& resu
  const char* toktx_path = readenv("TOKTX_PATH");
  std::string cmd = toktx_path ? toktx_path : "toktx";
  - cmd += " --2d";
  cmd += " --t2";
  -
  + cmd += " --2d";
  cmd += " --automipmap";
  + cmd += " --nowarn";
  if (scale < 1)
  {
  