From d05a1e5182d1b247b36999e8d8269d747e3b5ee4 Mon Sep 17 00:00:00 2001
From: Antonin <zepcome@gmail.com>
Date: Mon, 9 May 2016 14:49:09 +0200
Subject: [PATCH] Allowing to remove empty slot.

---
 adminstuds.php        | 2 +-
 tpl/part/messages.tpl | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 create mode 100644 tpl/part/messages.tpl

diff --git a/adminstuds.php b/adminstuds.php
index a9977db..5c6ba56 100644
--- a/adminstuds.php
+++ b/adminstuds.php
@@ -333,7 +333,7 @@ if (isset($_POST['confirm_delete_poll'])) {
 // Delete a slot
 // -------------------------------
 
-if (!empty($_GET['delete_column'])) {
+if (isset($_GET['delete_column'])) {
     $column = filter_input(INPUT_GET, 'delete_column', FILTER_DEFAULT);
     $column = Utils::base64url_decode($column);
 
diff --git a/tpl/part/messages.tpl b/tpl/part/messages.tpl
new file mode 100644
index 0000000..e69de29