[BUGFIX] Typo in top.TYPO3.ModuleMenu

Change TYPO3.ModuleMenu.selecteModule to selectedModule.

Change-Id: Ie0faa9d2d72c4c51de8a92159323ee63afd620b4
Resolves: #M17875
Reviewed-on: http://review.typo3.org/1069


Reviewed-by: Steffen Kamper <info@sk-typo3.de>
Tested-by: Steffen Kamper <info@sk-typo3.de>
Reviewed-by: Tolleiv Nietsch <info@tolleiv.de>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>