Update KeyboardAwareListView.js

Author: ozsirma

lib/KeyboardAwareListView.js

@@ -1,7 +1,8 @@
 /* @flow */
 
-import React, { PropTypes } from 'react'
+import React from 'react'
 import { ListView } from 'react-native'
+import PropTypes from 'prop-types'
 import KeyboardAwareMixin from './KeyboardAwareMixin'
 
 const KeyboardAwareListView = React.createClass({