[gtk/harfbuzz-deprecations: 112/112] demo: Ignore deprecated HarfBuzz API

[Emmanuele Bassi <ebassi src gnome org>]

commit f39ae35e4bfa64b609b5bcce3f4bd92a237d78c4
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Apr 12 18:42:38 2019 +0100

    demo: Ignore deprecated HarfBuzz API
    
    We should avoid warnings just because we're building against bleeding
    edge HarfBuzz.

 demos/gtk-demo/font_features.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/demos/gtk-demo/font_features.c b/demos/gtk-demo/font_features.c
index 8d647fc946..8299b6461c 100644
--- a/demos/gtk-demo/font_features.c
+++ b/demos/gtk-demo/font_features.c
@@ -495,7 +495,11 @@ update_script_combo (void)
   gboolean have_active = FALSE;
 
   lang = gtk_font_chooser_get_language (GTK_FONT_CHOOSER (font));
+
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS
   active = hb_ot_tag_from_language (hb_language_from_string (lang, -1));
+  G_GNUC_END_IGNORE_DEPRECATIONS
+
   g_free (lang);
 
   store = gtk_list_store_new (4, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT);