Fix typo in demo footer.component.ts
Fix typo in demo footer.component.ts

swimlane/ngx-datatable,swimlane/ngx-datatable,swimlane/ngx-datatable,achimha/ngx-datatable,janssonav/ngx-datatable,swimlane/angular2-data-table,achimha/ngx-datatable,janssonav/ngx-datatable,achimha/ngx-datatable,swimlane/angular2-data-table,janssonav/ngx-datatable,swimlane/angular2-data-table