Merge pull request #9937 from AlexHolly/tabs-add-tab-defaults

fix missing DEFVAL

scene/gui/tabs.cpp

@@ -793,7 +793,7 @@ void Tabs::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &Tabs::set_tab_disabled);
 	ClassDB::bind_method(D_METHOD("get_tab_disabled", "tab_idx"), &Tabs::get_tab_disabled);
 	ClassDB::bind_method(D_METHOD("remove_tab", "tab_idx"), &Tabs::remove_tab);
-	ClassDB::bind_method(D_METHOD("add_tab", "title", "icon:Texture"), &Tabs::add_tab);
+	ClassDB::bind_method(D_METHOD("add_tab", "title", "icon:Texture"), &Tabs::add_tab, DEFVAL(""), DEFVAL(Ref<Texture>()));
 	ClassDB::bind_method(D_METHOD("set_tab_align", "align"), &Tabs::set_tab_align);
 	ClassDB::bind_method(D_METHOD("get_tab_align"), &Tabs::get_tab_align);
 	ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &Tabs::ensure_tab_visible);