Fix an incorrect behaviour that centerItem doesn't work
Fix an incorrect behaviour that centerItem doesn't work

francisykl/PagingMenuController,almcintyre/PagingMenuController,dominicpr/PagingMenuController,sport1online/PagingMenuController,francisykl/PagingMenuController,kitasuke/PagingMenuController,dominicpr/PagingMenuController,kfinteractive/PagingMenuController,benrudhart/PagingMenuController,sport1online/PagingMenuController,kitasuke/PagingMenuController,almcintyre/PagingMenuController,kfinteractive/PagingMenuController,benrudhart/PagingMenuController