[#5093] Bugfix: Dependency error message when installing in 6.2

Change-Id: Icbccbd3e6aebe7a9ca1e63f6736dc1c6b9889634
Reviewed-on: http://review.typo3.org/32325
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>