Ticket #47701 - Make retro changelog trim interval programmable
Description: Fixing resource leak CID 12435 (Coverity) introduced
by commit bb4f0c428f9e53bccb875a552f5cae1ee6f733be
https://fedorahosted.org/389/ticket/47701
Reviewed by rmeggins@redhat.com (Thank you, Rich!!)