[gtk] Add gtknative.h to public headers

[Matthias Clasen <matthiasc src gnome org>]

commit d71bf4d35c7d18721635ea5b0cfc7353908e0f8d
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu May 30 03:44:43 2019 +0000

    Add gtknative.h to public headers

 gtk/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/meson.build b/gtk/meson.build
index 5001ca8a12..8d7285ed7b 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -537,6 +537,7 @@ gtk_public_headers = files([
   'gtkmessagedialog.h',
   'gtkmodelbutton.h',
   'gtkmountoperation.h',
+  'gtknative.h',
   'gtknativedialog.h',
   'gtknotebook.h',
   'gtkorientable.h',