create-domain.php:

- force domain name to lowercase to avoid problems with PgSQL foreign keys

Reported by Munroe Sollog (roe1234@SF),
https://sourceforge.net/tracker/?func=detail&aid=3287965&group_id=191583&atid=937964
after some bughunting on #postfixadmin



git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1037 a1433add-5e2c-0410-b055-b7f2511e0802

create-domain.php

@@ -71,6 +71,9 @@ foreach($form_fields  as $key => $default) {
         }
     }
 }
+
+$fDomain = strtolower($fDomain);
+
 if ($_SERVER['REQUEST_METHOD'] == "GET")
 {
     /* default values as set above */