Update to Drupal 8.1.2. For more information, see https://www.drupal.org/project/drupal/releases/8.1.2

core/lib/Drupal/Core/Path/AliasManager.php

@@ -296,4 +296,5 @@ class AliasManager implements AliasManagerInterface, CacheDecoratorInterface {
   protected function getRequestTime() {
     return defined('REQUEST_TIME') ? REQUEST_TIME : (int) $_SERVER['REQUEST_TIME'];
   }
+
 }

core/lib/Drupal/Core/Path/AliasManagerInterface.php

@@ -49,4 +49,5 @@ interface AliasManagerInterface {
    *   if entire cache needs to be flushed.
    */
   public function cacheClear($source = NULL);
+
 }

core/lib/Drupal/Core/Path/AliasStorage.php

@@ -42,7 +42,6 @@ class AliasStorage implements AliasStorageInterface {
    *
    * @param \Drupal\Core\Database\Connection $connection
    *   A database connection for reading and writing path aliases.
-   *
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler.
    */

core/lib/Drupal/Core/Path/AliasStorageInterface.php

@@ -164,4 +164,5 @@ interface AliasStorageInterface {
    *   TRUE if any alias exists, FALSE otherwise.
    */
   public function pathHasMatchingAlias($initial_substring);
+
 }

core/lib/Drupal/Core/Path/PathMatcher.php

@@ -116,4 +116,5 @@ class PathMatcher implements PathMatcherInterface {
     }
     return $this->frontPage;
   }
+
 }