create-domain.php: fix for bug 1831720

git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@223 a1433add-5e2c-0410-b055-b7f2511e0802

create-domain.php

@@ -58,8 +58,10 @@ if ($_SERVER['REQUEST_METHOD'] == "POST")
       if(isset($_POST[$key]) && !empty($POST[$key])) {
          $$key = escape_string($_POST[$key]);
       }
+      else {
          $$key = $default;
       }
+   }
 
    if (empty ($fDomain) or domain_exist ($fDomain) or !check_domain ($fDomain))
    {