Add missing use statement for @param

Author: nicolas-grekas

User/InMemoryUserChecker.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Security\Core\User;
 
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Exception\DisabledException;
 
 /**