[gtk/gtk3-fontchooser-fix] Fix a critical in GtkFontChooserWidget

[Matthias Clasen <matthiasc src gnome org>]

commit ea9aa8ed8259a1e0693c671b01661e423d2bea47
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Sep 13 08:54:09 2022 -0400

    Fix a critical in GtkFontChooserWidget
    
    When the level doesn't include the style, we need
    to work a bit harder to really get a face object
    here.
    
    Fixes: #5173

 gtk/gtkfontchooserwidget.c | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)
---
diff --git a/gtk/gtkfontchooserwidget.c b/gtk/gtkfontchooserwidget.c
index bcccacbc96..50f3b2ff5b 100644
--- a/gtk/gtkfontchooserwidget.c
+++ b/gtk/gtkfontchooserwidget.c
@@ -963,27 +963,29 @@ gtk_font_chooser_widget_load_fonts (GtkFontChooserWidget *fontchooser,
       if ((priv->level & GTK_FONT_CHOOSER_LEVEL_STYLE) == 0)
         {
           GtkDelayedFontDescription *desc;
-          PangoFontFace *face;
+          PangoFontFace *face = NULL;
 
 #if PANGO_VERSION_CHECK(1,46,0)
           face = pango_font_family_get_face (families[i], NULL);
-#else
-          {
-            PangoFontFace **faces;
-            int j, n_faces;
-            pango_font_family_list_faces (families[i], &faces, &n_faces);
-            face = faces[0];
-            for (j = 0; j < n_faces; j++)
-              {
-                if (strcmp (pango_font_face_get_face_name (faces[j]), "Regular") == 0)
-                  {
-                    face = faces[j];
-                    break;
-                  }
-              }
-            g_free (faces);
-          }
 #endif
+          if (!face)
+            {
+              PangoFontFace **faces;
+              int j, n_faces;
+              pango_font_family_list_faces (families[i], &faces, &n_faces);
+              face = faces[0];
+              for (j = 0; j < n_faces; j++)
+                {
+                  if (strcmp (pango_font_face_get_face_name (faces[j]), "Regular") == 0)
+                    {
+                      face = faces[j];
+                      break;
+                    }
+                }
+
+              g_free (faces);
+            }
+
           desc = gtk_delayed_font_description_new (face);
 
           gtk_list_store_insert_with_values (list_store, &iter, -1,