Merge pull request #32 from horde/port/bytestream-22

Fix undefined index 'count' (FRAMEWORK_6_0)

Author: ralflang

lib/Horde/Imap/Client/Socket.php

@@ -2550,7 +2550,7 @@ protected function _search($query, $options)
             switch ($val) {
             case Horde_Imap_Client::SEARCH_RESULTS_COUNT:
                 $ret['count'] = ($esearch && !$partial)
-                    ? $er['count']
+                    ? (isset($er['count']) ? $er['count'] : 0)
                     : count($sr);
                 break;