Attempting to fix the build due to autoload changes

Author: Geolim4

src/autoload.php

@@ -18,7 +18,7 @@
 /**
  * Register PhpFastCache Autoload
  */
-set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__ . DIRECTORY_SEPARATOR);
+set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
 spl_autoload_register();
 
 /**