[gtk] Add new api to the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 5bf030413b3eed95508b482599948314a27287d9
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 30 14:12:14 2020 -0400

    Add new api to the docs

 docs/reference/gdk/gdk4-sections.txt | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index bcdaf401b4..fb0341f9b8 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -686,6 +686,8 @@ gdk_toplevel_set_focus_on_map
 gdk_toplevel_set_decorated
 gdk_toplevel_set_deletable
 gdk_toplevel_supports_edge_constraints
+gdk_toplevel_inhibit_system_shortcuts
+gdk_toplevel_restore_system_shortcuts
 <SUBSECTION Standard>
 GDK_TYPE_TOPLEVEL
 gdk_toplevel_get_type