message: gltfpack: Fix toktx mipmap generation
  Instead of --automipmap we need to use --genmipmap.
diff: @@ -200,7 +200,7 @@ bool encodeKtx(const std::string& data, const char* mime_type, std::string& resu
  cmd += " --t2";
  cmd += " --2d";
  - cmd += " --automipmap";
  + cmd += " --genmipmap";
  cmd += " --nowarn";
  if (scale < 1)
  