Fix vpopmaild driver of password plugin

CHANGELOG

@@ -7,6 +7,7 @@ CHANGELOG Roundcube Webmail
 - Plugin API: Add special onload() method to execute plugin actions before startup (session and GUI initialization)
 - Fix handling of %-encoded entities in mailto: URLs (#1490346)
 - Fix zipped messages downloads after selecting all messages in a folder (#1490339)
+- Fix vpopmaild driver of password plugin
 
 RELEASE 1.1.1
 -------------

plugins/password/drivers/vpopmaild.php

@@ -33,7 +33,7 @@ class rcube_vpopmaild_password
         $host      = $rcmail->config->get('password_vpopmaild_host');
         $port      = $rcmail->config->get('password_vpopmaild_port');
 
-        $result = $vpopmaild->connect($hostname, $port, null);
+        $result = $vpopmaild->connect($host, $port, null);
         if (is_a($result, 'PEAR_Error')) {
             return PASSWORD_CONNECT_ERROR;
         }