[gtk+] AboutDialog: Fix accepting GTK_LICENSE_AGPL_3_0

[Daniel Boles <dboles src gnome org>]

commit 2c42d8d6ed983463b63ed75668bac09ee2b515a9
Author: Julian Sparber <julian sparber net>
Date:   Tue Oct 31 02:29:59 2017 +0100

    AboutDialog: Fix accepting GTK_LICENSE_AGPL_3_0
    
    Add the ‘new’ GTK_LICENSE_AGPL_3_0 to the allowed enum range checked in
    gtk_about_dialog_set_license_type(), so this value can actually be used.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=789678

 gtk/gtkaboutdialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkaboutdialog.c b/gtk/gtkaboutdialog.c
index 1534c5b..820f01c 100644
--- a/gtk/gtkaboutdialog.c
+++ b/gtk/gtkaboutdialog.c
@@ -2568,7 +2568,7 @@ gtk_about_dialog_set_license_type (GtkAboutDialog *about,
 
   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
   g_return_if_fail (license_type >= GTK_LICENSE_UNKNOWN &&
-                    license_type <= GTK_LICENSE_LGPL_3_0_ONLY);
+                    license_type <= GTK_LICENSE_AGPL_3_0);
 
   priv = about->priv;