Don't update cache unless we have something to update it with

diff --git a/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php b/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php
index d41def6..ca3fe5f 100644 (file)
--- a/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php
+++ b/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php
@@ -2740,7 +2740,9 @@ class Horde_Imap_Client_Socket extends Horde_Imap_Client_Base
                 }
             }
 
-            $this->_updateCache($out);
+            if (!empty($out)) {
+                $this->_updateCache($out);
+            }
         }
 
         return $this->_temp['modified'];