[gtk/stringlist] fixup! Add GtkStringList as public api

[Matthias Clasen <matthiasc src gnome org>]

commit 1cfc35d9fc8a21635388285d50524d9cf517db19
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 22 13:19:03 2020 -0400

    fixup! Add GtkStringList as public api
    
    Update the docs for new api

 docs/reference/gtk/gtk4-sections.txt | 2 ++
 docs/reference/gtk/gtk4.types.in     | 1 +
 2 files changed, 3 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 8fcf9a5c67..fc131ec9fa 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -7560,4 +7560,6 @@ gtk_drop_down_get_type
 <TITLE>GtkStringList</TITLE>
 GtkStringList
 gtk_string_list_new
+GtkStringObject
+gtk_string_object_get_string
 </SECTION>
diff --git a/docs/reference/gtk/gtk4.types.in b/docs/reference/gtk/gtk4.types.in
index 944eb99dac..ac13151dca 100644
--- a/docs/reference/gtk/gtk4.types.in
+++ b/docs/reference/gtk/gtk4.types.in
@@ -211,6 +211,7 @@ gtk_stack_switcher_get_type
 gtk_statusbar_get_type
 gtk_string_filter_get_type
 gtk_string_list_get_type
+gtk_string_object_get_type
 gtk_string_sorter_get_type
 gtk_switch_get_type
 gtk_level_bar_get_type