[BUGFIX] Adds missing CompilableInterface

Resolves: #66744
Related: #66736
Related: #66739
Releases: master
Change-Id: Ie41919b30dde3c1aba424e9c4c2711cb502e1b48
Reviewed-on: http://review.typo3.org/39197


Reviewed-by: Frank Nägler <typo3@naegler.net>
Tested-by: Frank Nägler <typo3@naegler.net>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>