fix var js

Resources/public/js/leaflet-map.js

@@ -4,7 +4,8 @@ var map,
 defaultCoords,
 drawnItems,
 marker,
-loc;
+loc,
+dataValue;
 
 $(document).ready(function () {
     defaultCoords = new L.latLng(39.791312, -2.6949709); // España