[gtk] docs: Put subsection into right section

[Benjamin Otte <otte src gnome org>]

commit eecd5823d00c4186ee93a763206f0c2c82bf2895
Author: Benjamin Otte <otte redhat com>
Date:   Thu Sep 20 16:06:06 2018 +0200

    docs: Put subsection into right section
    
    The widget observer APIs belong into the widget docs, not the window
    docs. Oops.

 docs/reference/gtk/gtk4-sections.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index dd88c0206f..c45e7564b9 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -4604,6 +4604,10 @@ gtk_widget_class_bind_template_callback
 gtk_widget_class_bind_template_callback_full
 gtk_widget_class_set_connect_func
 
+<SUBSECTION>
+gtk_widget_observe_children
+gtk_widget_observe_controllers
+
 <SUBSECTION Standard>
 GTK_WIDGET
 GTK_IS_WIDGET
@@ -4733,10 +4737,6 @@ gtk_window_set_titlebar
 gtk_window_get_titlebar
 gtk_window_set_interactive_debugging
 
-<SUBSECTION>
-gtk_widget_observe_children
-gtk_widget_observe_controllers
-
 <SUBSECTION Standard>
 GTK_WINDOW
 GTK_IS_WINDOW