initialize $changes array

diff --git a/framework/Kolab_Server/lib/Horde/Kolab/Server/Object.php b/framework/Kolab_Server/lib/Horde/Kolab/Server/Object.php
index dae2f42..ef9522e 100644 (file)
--- a/framework/Kolab_Server/lib/Horde/Kolab/Server/Object.php
+++ b/framework/Kolab_Server/lib/Horde/Kolab/Server/Object.php
@@ -923,6 +923,7 @@ class Horde_Kolab_Server_Object
             }
         }
 
+        $changes = array();
         if (!$this->exists()) {
             $changes['add'] = $info;
         } else {