[gtk/gtk-3-22] docs: Properly deprecate gdk_keymap_get_default()

[Emmanuele Bassi <ebassi src gnome org>]

commit 299a91bd46a1970f33ffcd2f3fad2894b3f762dd
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Feb 11 15:07:24 2018 +0000

    docs: Properly deprecate gdk_keymap_get_default()
    
    We're using a compiler annotation, but there's no deprecation notice in
    the gtk-doc stanza.

 gdk/gdkkeys.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gdk/gdkkeys.c b/gdk/gdkkeys.c
index 467e063ad5..27e8f8bebf 100644
--- a/gdk/gdkkeys.c
+++ b/gdk/gdkkeys.c
@@ -277,6 +277,8 @@ gdk_keyval_is_lower (guint keyval)
  * Returns the #GdkKeymap attached to the default display.
  *
  * Returns: (transfer none): the #GdkKeymap attached to the default display.
+ *
+ * Deprecated: 3.22: Use gdk_keymap_get_for_display() instead
  */
 GdkKeymap*
 gdk_keymap_get_default (void)