route : if the module is not set, work as it is ""

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@2695 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

route.php

@@ -191,9 +191,9 @@ class route
       If module is set, the site is modular and a directory is named with module
       name
       @param string $destURL Do a redirection of the HTTP page
-      @param string $module The module name
+      @param string|null $module The module name
       @param boolean|null Permanent redirect (false by default) */
-  function redirect ($destURL, $module, $permanent = false)
+  function redirect ($destURL, $module="", $permanent = false)
   {
     if (php_sapi_name () === "cli")
       exit;