[libdazzle] menus: add docs

[Christian Hergert <chergert src gnome org>]

commit b94a119416e6bc5895c2c32772f066b996310052
Author: Christian Hergert <chergert redhat com>
Date:   Fri Sep 1 14:17:28 2017 -0700

    menus: add docs

 src/menus/dzl-menu-manager.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/src/menus/dzl-menu-manager.c b/src/menus/dzl-menu-manager.c
index efa60ac..bccd6ee 100644
--- a/src/menus/dzl-menu-manager.c
+++ b/src/menus/dzl-menu-manager.c
@@ -562,6 +562,17 @@ dzl_menu_manager_merge (DzlMenuManager *self,
   return merge_id;
 }
 
+/**
+ * dzl_menu_manager_remove:
+ * @self: a #DzlMenuManager
+ * @merge_id: A previously registered merge id
+ *
+ * This removes items from menus that were added as part of a previous
+ * menu merge. Use the value returned from dzl_menu_manager_merge() as
+ * the @merge_id.
+ *
+ * Since: 3.26
+ */
 void
 dzl_menu_manager_remove (DzlMenuManager *self,
                          guint           merge_id)