message: build: add libcurl version guard when using brotli_* members from versionInfo struct
diff: @@ -100,8 +100,13 @@ namespace NodeLibcurl
  SetObjPropertyToNullOrValue(obj, "libidnVersion", versionInfo->libidn);
  SetObjPropertyToNullOrValue(obj, "iconvVersionNumber", versionInfo->iconv_ver_num);
  SetObjPropertyToNullOrValue(obj, "libsshVersion", versionInfo->libssh_version);
  +#if NODE_LIBCURL_VER_GE( 7, 57, 0 )
  SetObjPropertyToNullOrValue(obj, "brotliVersionNumber", versionInfo->brotli_ver_num);
  SetObjPropertyToNullOrValue(obj, "brotliVersion", versionInfo->brotli_version);
  +#else
  + SetObjPropertyToNullOrValue(obj, "brotliVersionNumber", 0);
  + SetObjPropertyToNullOrValue(obj, "brotliVersion", NULL);
  +#endif
  Nan::Set( target, Nan::New("CurlVersionInfo").ToLocalChecked(), obj );
  }
  