Fix various PHP code bugs found using static analysis (#1489086)

Aleksander Machniak

2013-05-06 ce89ecd54277fdd8113320ba463dfab6d504b00c

 program/lib/Roundcube/rcube_smtp.php

@@ -119,7 +119,7 @@
        }

        // try to connect to server and exit on failure
        $result = $this->conn->connect($smtp_timeout);
        $result = $this->conn->connect($CONFIG['smtp_timeout']);

        if (PEAR::isError($result)) {
            $this->response[] = "Connection failed: ".$result->getMessage();