Fixes #4644: Cannot upgrade from 2.9.2 to 2.9.4 due to an error on '/etc/logrotate.d/rudder'
Merge pull request #485 from jooooooon/bug_4644/cannot_upgrade_from_2_9_2_to_2_9_4_due_to_an_error_on_etc_logrotate_d_rudder

OK for me, merging!