fixed short array CS in comments

Author: fabpot

Core/User/UserInterface.php

@@ -38,7 +38,7 @@ interface UserInterface
      *
      *     public function getRoles()
      *     {
-     *         return array('ROLE_USER');
+     *         return ['ROLE_USER'];
      *     }
      *
      * Alternatively, the roles might be stored on a ``roles`` property,

Guard/AuthenticatorInterface.php

@@ -44,14 +44,14 @@ public function supports(Request $request);
      *
      * For example, for a form login, you might:
      *
-     *      return array(
+     *      return [
      *          'username' => $request->request->get('_username'),
      *          'password' => $request->request->get('_password'),
-     *      );
+     *      ];
      *
      * Or for an API token that's on a header, you might use:
      *
-     *      return array('api_key' => $request->headers->get('X-API-TOKEN'));
+     *      return ['api_key' => $request->headers->get('X-API-TOKEN')];
      *
      * @param Request $request
      *

Guard/GuardAuthenticatorInterface.php

@@ -43,17 +43,17 @@ interface GuardAuthenticatorInterface extends AuthenticationEntryPointInterface
      * For example, for a form login, you might:
      *
      *     if ($request->request->has('_username')) {
-     *         return array(
+     *         return [
      *             'username' => $request->request->get('_username'),
      *             'password' => $request->request->get('_password'),
-     *         );
+     *         ];
      *     } else {
      *         return;
      *     }
      *
      * Or for an API token that's on a header, you might use:
      *
-     *     return array('api_key' => $request->headers->get('X-API-TOKEN'));
+     *     return ['api_key' => $request->headers->get('X-API-TOKEN')];
      *
      * @param Request $request
      *

Http/FirewallMapInterface.php

@@ -30,7 +30,7 @@ interface FirewallMapInterface
      * If there is no exception listener, the second element of the outer array
      * must be null.
      *
-     * @return array of the format array(array(AuthenticationListener), ExceptionListener)
+     * @return array of the format [[AuthenticationListener], ExceptionListener]
      */
     public function getListeners(Request $request);
 }