Make sure to check for user before redirecting in update user

Otherwise, the page redirects before the user is loaded

static/js/pages/update-user.js

@@ -12,6 +12,7 @@
     $scope.state = 'loading';
 
     UserService.updateUserIn($scope, function(user) {
+      if (!user.anonymous) {
         if (!user.prompts || !user.prompts.length) {
             $location.path('/');
             return;
@@ -19,6 +20,7 @@
 
         $scope.state = 'editing';
         $scope.username = user.username;
+      }
     });
 
     var confirmUsername = function(username) {