[glib] Fix layers array generation when it contains multiple arrays

Fixes layers for document attached to bug #30106.

1 files changed, 1 insertions, 0 deletions

diff --git a/glib/poppler-document.cc b/glib/poppler-document.cc
index 680c8de8..2762881d 100644
--- a/glib/poppler-document.cc
+++ b/glib/poppler-document.cc
@@ -1646,6 +1646,7 @@ get_optional_content_items_sorted (OCGs *ocg, Layer *parent, Array *order)
 	items = g_list_prepend (items, last_item);
       }
       last_item->kids = get_optional_content_items_sorted (ocg, last_item, orderItem.getArray ());
+      last_item = NULL;
     } else if (orderItem.isString ()) {
       last_item->label = _poppler_goo_string_to_utf8 (orderItem.getString ());
     }