[gdl] Fix changing tab reordering

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 9eb90b65ae0c4173942d8db1421f341ca4c8468f
Author: Sébastien Granjoux <seb sfo free fr>
Date:   Tue May 18 20:50:08 2021 +0200

    Fix changing tab reordering

 gdl/gdl-switcher.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdl/gdl-switcher.c b/gdl/gdl-switcher.c
index 3679c7b..53c2e79 100644
--- a/gdl/gdl-switcher.c
+++ b/gdl/gdl-switcher.c
@@ -1269,7 +1269,7 @@ gdl_switcher_set_tab_reorderable (GdlSwitcher *switcher, gboolean reorderable)
         return;
 
     children = gtk_container_get_children (GTK_CONTAINER (switcher));
-    for (l = children; l != NULL; l->next) {
+    for (l = children; l != NULL; l = l->next) {
         gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (switcher),
                                           GTK_WIDGET (l->data),
                                           reorderable);