fixing minor issues in PR 74
fixing minor issues in PR 74

https://github.com/wso2/carbon-dashboards/pull/74

keizer619/carbon-dashboards,keizer619/carbon-dashboards,lalankea/carbon-dashboards,ayshsandu/carbon-dashboards,ayshsandu/carbon-dashboards,lalankea/carbon-dashboards,keizer619/carbon-dashboards,lalankea/carbon-dashboards,ayshsandu/carbon-dashboards