Fixing msgpack custom

composer.json

@@ -6,6 +6,6 @@
         "php": ">=7.4"
     },
     "autoload": {
-        "classmap": ["config.inc.php", "msgpack_custom.inc.php"]
+        "classmap": ["config.inc.php", "msgpack/msgpack_custom.inc.php"]
     }
 }

config.inc.php

@@ -897,7 +897,7 @@ else
 {
   function config_msgpack_pack($data)
   {
-    include_once(__DIR__ . '/msgpack_custom.inc.php');
+    include_once(__DIR__ . '/msgpack/msgpack_custom.inc.php');
 
     $packer = new \MessagePackCustom(); 
     return $packer->pack($data);