Polish 04-change-gids-and-uids code style
See code review on #15854-note_13.
Feature Branch: https://salsa.debian.org/tails-team/tails/merge_requests/12
Related issues
- Related to #15854 (closed)
- Blocks #16209
Original created by @intrigeri on 16322 (Redmine)
Edited by intrigeri