Debug routing

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

app/classes/Framadate/Utils.php

@@ -115,8 +115,8 @@ class Utils {
             }
             if ($vote_id !== '') {
                 $url .= '&vote=' . $vote_id . "#edit";
-            } elseif ($action !== null)  {
-                if ($action_value !== null) {
+            } elseif ($action)  {
+                if ($action_value) {
                     $url .= '&' . $action . "=" . $action_value;
                 } else {
                     $url .= '&' . $action . "=";