Update phd launch

Summary: Ref T12298. phd launch was missed in D17390 and thus broken by D17389.

Test Plan: Launched a daemon with great success.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin

Maniphest Tasks: T12298

Differential Revision: https://secure.phabricator.com/D17429