Fix PLAIN authentication for some IMAP servers (#1488674)

Aleksander Machniak

2012-09-09 4e383e2ec8b4184c0fe74d02cf30fd3a4078128e

 program/include/rcube_imap_generic.php

@@ -530,6 +530,7 @@
                }
                else {
                    $authc = $user;
                    $user  = '';
                }
                $auth_sasl = Auth_SASL::factory('digestmd5');
                $reply = base64_encode($auth_sasl->getResponse($authc, $pass,
@@ -568,6 +569,7 @@
            }
            else {
                $authc = $user;
                $user  = '';
            }

            $reply = base64_encode($user . chr(0) . $authc . chr(0) . $pass);