[geeklog-hg] [Geeklog-Core/geeklog] e20bdb: Fixed errors with PHP 8.0.0

[Kenji ITO]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: e20bdb8adc9bbc498cfee185ee054bdafd2579cc
      https://github.com/Geeklog-Core/geeklog/commit/e20bdb8adc9bbc498cfee185ee054bdafd2579cc
  Author: mystralkk <mystralkk at gmail.com>
  Date:   2020-12-20 (Sun, 20 Dec 2020)

  Changed paths:
    M plugins/xmlsitemap/functions.inc
    M system/classes/syndication/feedparserbase.class.php
    M system/lib-syndication.php

  Log Message:
  -----------
  Fixed errors with PHP 8.0.0