[gtk+/xi2-for-master] Add docs for GTK+ device grabs.

[Carlos Garnacho <carlosg src gnome org>]

commit 48e6fcff301d28581e9dfa854e04a238a847e628
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri May 21 20:44:30 2010 +0200

    Add docs for GTK+ device grabs.
    
    docs for gtk_device_grab_[add|remove]() and gtk_window_group_get_current_device_grab()
    were missing.

 docs/reference/gtk/gtk3-sections.txt |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index c693910..2ea87a1 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -5117,6 +5117,7 @@ gtk_window_group_new
 gtk_window_group_add_window
 gtk_window_group_remove_window
 gtk_window_group_list_windows
+gtk_window_group_get_current_device_grab
 <SUBSECTION Standard>
 GTK_IS_WINDOW_GROUP
 GTK_IS_WINDOW_GROUP_CLASS