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

tbrehm

2013-04-17 e6a2917b9de293e735df5dbf0b10dce967185f45

 install/sql/incremental/upd_0036.sql

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

ALTER TABLE  `web_domain` ADD  `perl` enum('n','y') NOT NULL default 'n' AFTER  `python`;