[geeklog-hg] [Geeklog-Core/geeklog] 87c31b: Fixed an E_DEPRECATED error

[Kenji ITO]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: 87c31b995ab5677522c7f15dea6c7151ac1de536
      https://github.com/Geeklog-Core/geeklog/commit/87c31b995ab5677522c7f15dea6c7151ac1de536
  Author: mystralkk <mystralkk at gmail.com>
  Date:   2022-01-10 (Mon, 10 Jan 2022)

  Changed paths:
    M public_html/admin/group.php

  Log Message:
  -----------
  Fixed an E_DEPRECATED error