[pango/pango2: 116/178] pangodwrite-fontmap.cpp: Make hb_face from DirectWrite immutable

[Matthias Clasen <matthiasc src gnome org>]

commit 94bec904d618baf9d881cb2d59ad4c3288feb074
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Wed Jun 15 12:10:13 2022 +0800

    pangodwrite-fontmap.cpp: Make hb_face from DirectWrite immutable
    
    The hb_face_t object that we get from HarfBuzz with the
    DirectWriteFontFace object that we have may not be immutable, so make it
    immutable if that is the case.

 pango/pangodwrite-fontmap.cpp | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/pango/pangodwrite-fontmap.cpp b/pango/pangodwrite-fontmap.cpp
index 1ef303248..5c7ad0eb2 100644
--- a/pango/pangodwrite-fontmap.cpp
+++ b/pango/pangodwrite-fontmap.cpp
@@ -212,6 +212,8 @@ util_create_pango_hb_face (IDWriteFontFamily *family,
       hb_face_t *hb_face = hb_directwrite_face_create (face);
       char *name = g_strconcat (family_name, " ", variant_name, NULL);
 
+      hb_face_make_immutable (hb_face);
+
       pango_face = pango_hb_face_new_from_hb_face (hb_face, -1, name, description);
 
       g_free (name);