Fix regression from ba199ad4ec47e6b0c067a3b2a15882d3836ea009: typo in refactoring caused fatal error on unrecognized message source

Example report from live site: http://identi.ca/notice/14629110

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/mailbox.php b/lib/mailbox.php
index e1d384a06..90a58b4c4 100644
--- a/lib/mailbox.php
+++ b/lib/mailbox.php
@@ -282,7 +282,7 @@ class MailboxAction extends CurrentUserDesignAction
                                     $ns->name);
                 $this->elementEnd('span');
             } else {
-                $this->out->element('span', 'device', $source_name);
+                $this->element('span', 'device', $source_name);
             }
             break;
         }