Fix fatal error when a session has timed out

diff --git a/framework/Core/lib/Horde/Registry.php b/framework/Core/lib/Horde/Registry.php
index 3c641e7..5b34556 100644 (file)
--- a/framework/Core/lib/Horde/Registry.php
+++ b/framework/Core/lib/Horde/Registry.php
@@ -2142,7 +2142,7 @@ class Horde_Registry
      */
     public function getEmailCharset()
     {
-        if ($charset = $GLOBALS['prefs']->getValue('sending_charset')) {
+        if (isset($GLOBALS['prefs']) && ($charset = $GLOBALS['prefs']->getValue('sending_charset'))) {
             return $charset;
         }