mark_button: fix missing id

diff --git a/plugins/mark_button/init.php b/plugins/mark_button/init.php
index 9227a5d174cb1f9337512a0e2844b2e6fb74ea6d..4cf1c5949db0b7a1c4c7adf3dc407ed9ec6f3451 100644 (file)
--- a/plugins/mark_button/init.php
+++ b/plugins/mark_button/init.php
@@ -18,6 +18,7 @@ class Mark_Button extends Plugin {
 
        function hook_article_button($line) {
                $marked_pic = "";
+               $id = $line["id"];
 
                if (get_pref($this->link, "COMBINED_DISPLAY_MODE")) {
                        if (sql_bool_to_bool($line["marked"])) {