Followup r101161 having array() doesn't work so well with isset, changing to null

diff --git a/includes/LocalisationCache.php b/includes/LocalisationCache.php
index 4382ad8..77b95fc 100644 (file)
--- a/includes/LocalisationCache.php
+++ b/includes/LocalisationCache.php
@@ -134,7 +134,7 @@ class LocalisationCache {
         */
        static public $preloadedKeys = array( 'dateFormats', 'namespaceNames' );
 
-       var $mergeableKeys = array();
+       var $mergeableKeys = null;
 
        /**
         * Constructor.