Fix import for Geni files. Thanks to the fork commit by Execut on GitHub.

Author: curtisdelicata

library/PhpGedcom/Record/ObjeRef/File.php

@@ -32,5 +32,6 @@ class File extends Record
      */
     protected $_form;
     protected $_titl;
+    protected $_date;
 
 }

library/PhpGedcom/Record/ObjeRef/File/Form.php

@@ -25,17 +25,17 @@ class Form extends Record
     /**
      * @var string multimedia_format
      */
-    protected $form;
+    protected $_form;
 
     /**
      * @var string source_media_type
      * for only obje 
      */
-    protected $type;
+    protected $_type;
 
     /**
      * @var string source_media_type
      * for only objeref
      */
-    protected $medi;
+    protected $_medi;
 }