Fix in ispconfig url detection function when nginx returns '_' as $_SERVER[...

tbrehm

2013-04-17 e6a2917b9de293e735df5dbf0b10dce967185f45

 install/sql/incremental/upd_0038.sql

@@ -1,4 +1,4 @@
-- --------------------------------------------------------
-- --------------------------------------------------------

ALTER TABLE `web_domain` ADD `web_folder` VARCHAR( 100 ) DEFAULT NULL AFTER `document_root` ;