[Merge] ~dbungert/update-notifier:lp-1987703-update-motd into update-notifier:master

[Dan Watkins]

Review: Approve

LGTM, thanks for the fix!
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https://code.launchpad.net/~dbungert/update-notifier/+git/update-notifier/+merge/428940
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~dbungert/update-notifier:lp-1987703-update-motd into update-notifier:master.