[geeklog-hg] [Geeklog-Core/geeklog] c5fc59: Fixed MBYTE_strpos to support PHP 8.1

[Tom]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: c5fc59c115e0d6e399099f7a44e4570cc46efb0d
      https://github.com/Geeklog-Core/geeklog/commit/c5fc59c115e0d6e399099f7a44e4570cc46efb0d
  Author: eSilverStrike <eSilverStrike at users.noreply.github.com>
  Date:   2022-01-19 (Wed, 19 Jan 2022)

  Changed paths:
    M system/lib-mbyte.php

  Log Message:
  -----------
  Fixed MBYTE_strpos to support PHP 8.1