LibWeb: Add a few missing visits to m_rel_list members

Author: https://github.com/mattco98
Commit: 74aeb57631
Pull-request: https://github.com/SerenityOS/serenity/pull/24350
Reviewed-by: https://github.com/ADKaster ✅

Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp

@@ -34,6 +34,12 @@ void HTMLAnchorElement::initialize(JS::Realm& realm)
     WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLAnchorElement);
 }
 
+void HTMLAnchorElement::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_rel_list);
+}
+
 void HTMLAnchorElement::attribute_changed(FlyString const& name, Optional<String> const& value)
 {
     HTMLElement::attribute_changed(name, value);