Fix bugs caught by static analysis

Aleksander Machniak

2013-05-06 78c270c9f259c33b703cfb26b96b8dbb062db21e

 program/lib/Roundcube/rcube_vcard.php

@@ -90,7 +90,7 @@
     */
    public function __construct($vcard = null, $charset = RCUBE_CHARSET, $detect = false, $fieldmap = array())
    {
        if (!empty($fielmap)) {
        if (!empty($fieldmap)) {
            $this->extend_fieldmap($fieldmap);
        }