Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Something like gitlab-shell.log-20140626.gz will not be caught by the
original pattern match since '.' is taken as a literal character.

This prevents concurrent modification of authorized_keys file

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Ignore gzipped logs as well.