#1326 Update all plugins: Facebook SDK from 5.6.2 to 5.6.3

plugins/facebook-php-sdk/LICENSE

@@ -53,7 +53,7 @@ class Facebook
     /**
      * @const string Version number of the Facebook PHP SDK.
      */
-    const VERSION = '5.6.2';
+    const VERSION = '5.6.3';
 
     /**
      * @const string Default Graph API version for requests.

plugins/facebook-php-sdk/src/Facebook/FacebookApp.php

@@ -39,7 +39,7 @@ class FacebookBatchRequest extends FacebookRequest implements IteratorAggregate,
     /**
      * @var array An array of FacebookRequest entities to send.
      */
-    protected $requests;
+    protected $requests = [];
 
     /**
      * @var array An array of files to upload.