[BUGFIX] Reenable requiring of legacy code

Change-Id: Ida22bae5adce4919d46854574a8f759fdc82768d
Resolves: #60661
Reviewed-on: http://review.typo3.org/31893
Reviewed-by: Jo Hasenau <info@cybercraft.de>
Tested-by: Jo Hasenau <info@cybercraft.de>