If a role does not have any expiration set, then just opening (and
validating) the role properties dialog will give it one.
platform: Debian wheezy
language: English
Distribution: PGDG Apt
Version: 1.18.1
I think it's due to commit bb082def2452e085e27b8f356f6f13318912819e but
since I didn't set up a build environment, I can't say for sure.
--
Vik