fix path in calendars geo.js

apps/calendar/js/geo.js

@@ -6,7 +6,7 @@
  */
 if (navigator.geolocation) { 
 	navigator.geolocation.getCurrentPosition(function(position) {
-		$.getJSON(OC.filePath('calendar', 'ajax/settings', 'guesstimezone.php?lat=' + position.coords.latitude + '&long=' + position.coords.longitude + ''),
+		$.getJSON(OC.filePath('calendar', 'ajax/settings', 'guesstimezone.php') + '?lat=' + position.coords.latitude + '&long=' + position.coords.longitude,
 		function(data){
 			if (data.status == 'success' && typeof(data.message) != 'undefined'){
 				$('#notification').html(data.message);