[ticket/12293] Add missing compact() call to phpBB/phpbb/log/log.php events.

PHPBB3-12293
Merge pull request #2169 from bantu/ticket/12293

[ticket/12293] Add missing compact() call to phpBB/phpbb/log/log.php eve...

* bantu/ticket/12293:
  [ticket/12293] Add missing compact() call to phpBB/phpbb/log/log.php events.