[geeklog-hg] [Geeklog-Core/geeklog] 2523cd: Fixed E_NOTICE error

[Tom]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: 2523cda4af7659d3849fcb84d89842b91423c8df
      https://github.com/Geeklog-Core/geeklog/commit/2523cda4af7659d3849fcb84d89842b91423c8df
  Author: eSilverStrike <eSilverStrike at users.noreply.github.com>
  Date:   2022-01-12 (Wed, 12 Jan 2022)

  Changed paths:
    M system/lib-topic.php

  Log Message:
  -----------
  Fixed E_NOTICE error