[CLEANUP] Followup: Shorten the die() line

Resolves: #63839
Change-Id: I488f43ecf75698ed372371f8dcc0d7e0504228fd
Reviewed-on: http://review.typo3.org/35414
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>