Added missing semi colon

Author: Nyholm

security/named_hashers.rst

@@ -176,7 +176,7 @@ you must register a service for it in order to use it as a named hasher:
     .. code-block:: php
 
         // config/packages/security.php
-        use App\Security\Hasher\MyCustomPasswordHasher
+        use App\Security\Hasher\MyCustomPasswordHasher;
         use Symfony\Config\SecurityConfig;
 
         return static function (SecurityConfig $security) {