Fix map display when orientations are private

wifiwithme/static/map.js

@@ -57,7 +57,7 @@ $( document ).ready(function() {
             if (feature.properties.place) {
                 feature.properties.popupContent += '<ul>';
                 if (feature.properties.place.hasOwnProperty('floor')) feature.properties.popupContent += '<li>Étage: '+feature.properties.place.floor+'</li>';
-                if (feature.properties.place.orientations[0]) feature.properties.popupContent += '<li>Orientation: '+feature.properties.place.orientations.join(', ')+'</li>';
+                if (feature.properties.place.orientations && feature.properties.place.orientations[0]) feature.properties.popupContent += '<li>Orientation: '+feature.properties.place.orientations.join(', ')+'</li>';
                 if (feature.properties.place.roof) feature.properties.popupContent += '<li>Accès au toit'+'</li>';
                 feature.properties.popupContent += '</ul>';
             }