resolved warnings

src/components/home/HomePage.js

@@ -2,6 +2,7 @@ import React from "react";
 import { Link } from "react-router-dom";
 import { connect } from "react-redux";
 import { bindActionCreators } from "redux";
+import PropTypes from "prop-types";
 import {
   loadSystemDateTime,
   loadSystemVersion,
@@ -34,7 +35,11 @@ const HomePage = ({ actions }) => {
   );
 };
 
-function mapStateToProps(state) {
+HomePage.propTypes = {
+  actions: PropTypes.object.isRequired
+};
+
+function mapStateToProps() {
   return {};
 }