message: fix: code for old libcurl version not working correctly
diff: @@ -857,7 +857,7 @@ int Easy::CbTrailer(struct curl_slist** headerList, void* userdata) {
  return CURL_TRAILERFUNC_OK;
  #else
  - return 0
  + return 0;
  #endif
  }
  @@ -1748,6 +1748,7 @@ NAN_METHOD(Easy::Upkeep) {
  #if NODE_LIBCURL_VER_GE(7, 62, 0)
  CURLcode code = curl_easy_upkeep(obj->ch);
  #else
  + CURLcode code = CURLE_FUNCTION_NOT_FOUND;
  Nan::ThrowError(
  "The addon was built against a libcurl version that does not support upkeep. It requires "
  "libcurl >= 7.62");
  