D5138: Fill UDS_CREATION_TIME with the value of st_birthtime on FreeBSD

[Tobias C. Berner]

tcberner added reviewers: rakuco, dfaure.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D5138

To: tcberner, adridg, arrowdodger, rakuco, dfaure
Cc: #frameworks