Fix bug where imap_conn_options were ignored in IMAP connection test (#1490392)

CHANGELOG

@@ -27,6 +27,7 @@ CHANGELOG Roundcube Webmail
 - Fix bug where messages count was not updated after message move/delete with skip_deleted=false (#1490372)
 - Fix security issue in contact photo handling (#1490379)
 - Fix possible memcache/apc cache data consistency issues (#1490390)
+- Fix bug where imap_conn_options were ignored in IMAP connection test (#1490392)
 
 RELEASE 1.1.1
 -------------

installer/test.php

@@ -427,6 +427,7 @@ if (isset($_POST['imaptest']) && !empty($_POST['_host']) && !empty($_POST['_user
   $imap->set_options(array(
     'auth_type' => $RCI->getprop('imap_auth_type'),
     'debug'     => $RCI->getprop('imap_debug'),
+    'socket_options' => $RCI->getprop('imap_conn_options'),
   ));
 
   if ($imap->connect($imap_host, $imap_user, $_POST['_pass'], $imap_port, $imap_ssl)) {