testbot: By default redirect to the same site.

[Francois Gouget]

This makes is possible to access the website through an SSH redirection for instance.
---

This should also help with bug 35846 as submitting a job on newtestbot 
will no longer redirect to testbot midstream:
* Mark http://testbot.winehq.org/ as deprecated
  http://bugs.winehq.org/show_bug.cgi?id=35846

 testbot/lib/WineTestBot/CGI/PageBase.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testbot/lib/WineTestBot/CGI/PageBase.pm b/testbot/lib/WineTestBot/CGI/PageBase.pm
index a724507..1b1b919 100644
--- a/testbot/lib/WineTestBot/CGI/PageBase.pm
+++ b/testbot/lib/WineTestBot/CGI/PageBase.pm
@@ -404,7 +404,7 @@ sub Redirect($$$)
       $Location = $URI . $Location;
     }
     my $Server = $self->{Request}->server;
-    $Location = $Protocol . "://" . $Server->server_hostname . $Location; 
+    $Location = $Protocol . "://" . $ENV{"HTTP_HOST"} . $Location;
   }
   $self->{Request}->headers_out->set("Location", $Location);
   $self->{Request}->status(Apache2::Const::REDIRECT);
-- 
2.0.1