[BUGFIX] changed wrong namespace call

changed wrongly absolute called NavFrame class.

Resolves: #61151
Releases: 4.0
Change-Id: I9a1a8365b85c29a3504eead8fa37a44c23d04179
Reviewed-on: http://review.typo3.org/32630
Reviewed-by: Ivan Dharma Kartolo <ivan.kartolo@gmail.com>
Tested-by: Ivan Dharma Kartolo <ivan.kartolo@gmail.com>