[gtk+] gtk: Add missing function declarations

[Emmanuele Bassi <ebassi src gnome org>]

commit db6f9a8e45c7e5e2ce5540132fc7c2b11bf0c2d3
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sat Oct 15 21:34:52 2016 +0100

    gtk: Add missing function declarations

 gtk/gtkfontchooserwidget.c |    2 ++
 gtk/gtkprivate.h           |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkfontchooserwidget.c b/gtk/gtkfontchooserwidget.c
index e244b8b..e3b51c1 100644
--- a/gtk/gtkfontchooserwidget.c
+++ b/gtk/gtkfontchooserwidget.c
@@ -240,6 +240,8 @@ gtk_delayed_font_description_get (GtkDelayedFontDescription *desc)
 }
 
 #define GTK_TYPE_DELAYED_FONT_DESCRIPTION (gtk_delayed_font_description_get_type ())
+GType gtk_delayed_font_description_get_type (void);
+
 G_DEFINE_BOXED_TYPE (GtkDelayedFontDescription, gtk_delayed_font_description,
                      gtk_delayed_font_description_ref,
                      gtk_delayed_font_description_unref)
diff --git a/gtk/gtkprivate.h b/gtk/gtkprivate.h
index 1c74f62..de26e9f 100644
--- a/gtk/gtkprivate.h
+++ b/gtk/gtkprivate.h
@@ -103,6 +103,8 @@ void _gtk_load_dll_with_libgtk3_manifest (const char *dllname);
 
 gboolean        gtk_simulate_touchscreen (void);
 
+void  gtk_set_display_debug_flags (GdkDisplay *display,
+                                   guint       flags);
 guint gtk_get_display_debug_flags (GdkDisplay *display);
 
 #ifdef G_ENABLE_DEBUG