[gtkmm] gtk/gtkmm.h: Add inscription.h

[Kjell Ahlstedt <kjellahl src gnome org>]

commit acef281faf326652657574e41867beb1dbc43207
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Thu Aug 4 08:09:10 2022 +0200

    gtk/gtkmm.h: Add inscription.h
    
    and update the link to the gtkmm tutorial.

 gtk/gtkmm.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkmm.h b/gtk/gtkmm.h
index c3d88626..35b5de23 100644
--- a/gtk/gtkmm.h
+++ b/gtk/gtkmm.h
@@ -32,7 +32,7 @@
  * @ref TextView "TextView".
  *
  * See also the
- * <a href="https://library.gnome.org/devel/gtkmm-tutorial/stable/";>Programming
+ * <a href="https://gnome.pages.gitlab.gnome.org/gtkmm-documentation/";>Programming
  * with gtkmm</a> book.
  *
  * @section features Features
@@ -202,6 +202,7 @@ extern const int gtkmm_micro_version;
 #include <gtkmm/iconview.h>
 #include <gtkmm/image.h>
 #include <gtkmm/infobar.h>
+#include <gtkmm/inscription.h>
 #include <gtkmm/calendar.h>
 #include <gtkmm/label.h>
 #include <gtkmm/layoutchild.h>