docs: Add missing signal parameter

The `flags` parameter is missing, and the introspection scanner is
complaining about it.

diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index 326a05c224560da2cf4301674ed89030da763ce0..b7a6d9182502fea54fea648996ad0c4649e547ab 100644 (file)
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -4659,7 +4659,8 @@ gtk_places_sidebar_class_init (GtkPlacesSidebarClass *class)
 
   /**
    * GtkPlacesSidebar::show-starred-location:
-   * @sidebar: the object which received the signal.
+   * @sidebar: the object which received the signal
+   * @flags: the flags for the operation
    *
    * The places sidebar emits this signal when it needs the calling
    * application to present a way to show the starred files. In GNOME,