[nautilus] extension: Allow @tip to be NULL in nautilus_menu_item_new()

[António Fernandes <antoniof src gnome org>]

commit a43fb2deab7c7379f9e341c500ecde4d4462f35d
Author: Aaron Jacobs <atheriel gmail com>
Date:   Sat Dec 4 20:23:28 2021 -0500

    extension: Allow @tip to be NULL in nautilus_menu_item_new()
    
    Tooltips are currently unused, so it makes sense to allow NULL here, as
    with the @icon parameter.

 libnautilus-extension/nautilus-menu-item.c | 1 -
 libnautilus-extension/nautilus-menu.h      | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/libnautilus-extension/nautilus-menu-item.c b/libnautilus-extension/nautilus-menu-item.c
index ead7ee8ca..50cf7fdc5 100644
--- a/libnautilus-extension/nautilus-menu-item.c
+++ b/libnautilus-extension/nautilus-menu-item.c
@@ -69,7 +69,6 @@ nautilus_menu_item_new (const char *name,
 
     g_return_val_if_fail (name != NULL, NULL);
     g_return_val_if_fail (label != NULL, NULL);
-    g_return_val_if_fail (tip != NULL, NULL);
 
     item = g_object_new (NAUTILUS_TYPE_MENU_ITEM,
                          "name", name,
diff --git a/libnautilus-extension/nautilus-menu.h b/libnautilus-extension/nautilus-menu.h
index c9f05338c..1bcc8b7f5 100644
--- a/libnautilus-extension/nautilus-menu.h
+++ b/libnautilus-extension/nautilus-menu.h
@@ -102,7 +102,7 @@ void              nautilus_menu_item_list_free   (GList            *item_list);
  * nautilus_menu_item_new:
  * @name: the identifier for the menu item
  * @label: the user-visible label of the menu item
- * @tip: the tooltip of the menu item
+ * @tip: (nullable): the tooltip of the menu item
  * @icon: (nullable): the name of the icon to display in the menu item
  *
  * Creates a new menu item that can be added to the toolbar or to a contextual menu.