`AdminAccountPage`: Cast `$query` to `LdapQuery` using inline `@var`

modules/setup/application/forms/AdminAccountPage.php

@@ -15,6 +15,7 @@ use Icinga\Data\ConfigObject;
 use Icinga\Data\ResourceFactory;
 use Icinga\Data\Selectable;
 use Icinga\Exception\NotImplementedError;
+use Icinga\Protocol\Ldap\LdapQuery;
 use Icinga\Web\Form;
 
 /**
@@ -297,7 +298,8 @@ class AdminAccountPage extends Form
                 ->select(array('user_name'))
                 ->order('user_name', 'asc', true);
             if (in_array($this->backendConfig['backend'], array('ldap', 'msldap'))) {
-                $query->getQuery()->setUsePagedResults();
+                /** @var LdapQuery $query */
+                $query->setUsePagedResults();
             }
 
             return $query->fetchColumn();
@@ -355,7 +357,8 @@ class AdminAccountPage extends Form
                 ->createUserGroupBackend()
                 ->select(array('group_name'));
             if (in_array($this->backendConfig['backend'], array('ldap', 'msldap'))) {
-                $query->getQuery()->setUsePagedResults();
+                /** @var LdapQuery $query */
+                $query->setUsePagedResults();
             }
 
             return $query->fetchColumn();