[gnome-font-viewer] font-widget: use sushi_get_font_name()

[Cosimo Cecchi <cosimoc src gnome org>]

commit 4d548988b61aad297219aa5ebfc68158b6d05b18
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Dec 1 14:09:22 2019 -0800

    font-widget: use sushi_get_font_name()
    
    Instead of repeating the same code.

 src/sushi-font-widget.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/sushi-font-widget.c b/src/sushi-font-widget.c
index 144a3d6..ac1fcd4 100644
--- a/src/sushi-font-widget.c
+++ b/src/sushi-font-widget.c
@@ -378,8 +378,7 @@ build_strings_for_face (SushiFontWidget *self)
     self->sample_string = random_string_from_available_chars (self->face, 36);
 
   g_free (self->font_name);
-  self->font_name = g_strconcat (self->face->family_name, " ",
-                                 self->face->style_name, NULL);
+  self->font_name = sushi_get_font_name (self->face, FALSE);
 }
 
 static gint *