* bugfix: #18038 (break infinite loop)

git-svn-id: https://svn.php.net/repository/pear/packages/Mail_Queue/trunk@309126 c90b9560-bf6c-de11-be94-00142212c4b1

Mail/Queue.php

@@ -376,7 +376,7 @@ function sendMailsInQueue($limit = MAILQUEUE_ALL, $offset = MAILQUEUE_START,
         }
 
         $this->container->setOption($limit, $offset, $try);
-        while ($mail = $this->get()) {
+        while ($mail = $this->get() && !Pear::isError($mail)) {
             $this->container->countSend($mail);
 
             $result = $this->sendMail($mail, true);