[geeklog-hg] [Geeklog-Core/geeklog] ace20b: Fixed some errors with PHP 8.1

[Kenji ITO]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: ace20bce68f28fa36ce4da2ba04443bc09104a13
      https://github.com/Geeklog-Core/geeklog/commit/ace20bce68f28fa36ce4da2ba04443bc09104a13
  Author: mystralkk <mystralkk at gmail.com>
  Date:   2022-01-20 (Thu, 20 Jan 2022)

  Changed paths:
    M public_html/lib-common.php
    M system/classes/Database/DbMysqli.php
    M system/lib-database.php

  Log Message:
  -----------
  Fixed some errors with PHP 8.1