[gtk/ebassi/for-master] docs: Add missing symbols to the GTK reference

[Emmanuele Bassi <ebassi src gnome org>]

commit dd3c5a5483ee778466d79c237679c8b1674e3a18
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Dec 15 14:06:58 2020 +0000

    docs: Add missing symbols to the GTK reference

 docs/reference/gtk/gtk4-sections.txt | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 2bd4d33528..d5453c6890 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -4442,6 +4442,7 @@ gtk_widget_get_focusable
 gtk_widget_set_focusable
 gtk_widget_get_focus_on_click
 gtk_widget_set_focus_on_click
+gtk_widget_get_focus_child
 gtk_widget_set_focus_child
 gtk_widget_get_can_target
 gtk_widget_set_can_target
@@ -7514,6 +7515,9 @@ gtk_accessible_reset_property
 gtk_accessible_update_relation
 gtk_accessible_update_relation_value
 gtk_accessible_reset_relation
+gtk_accessible_property_init_value
+gtk_accessible_relation_init_value
+gtk_accessible_state_init_value
 
 <SUBSECTION Standard>
 GTK_TYPE_ACCESSIBLE