[epiphany/gnome-3-36] GNOME font settings should apply to serif fonts

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ce5dc911258baf4b019179f3d942bed86d234d76
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Jun 13 18:57:22 2020 +0000

    GNOME font settings should apply to serif fonts
    
    Incredibly, we were accidentally ignoring system font settings for serif
    fonts if custom fonts were ever enabled in the past.
    
    Fixes #1231
    
    
    (cherry picked from commit 4542273400d1a798be1f04170f6d90a6c66cd9db)

 embed/ephy-embed-prefs.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/embed/ephy-embed-prefs.c b/embed/ephy-embed-prefs.c
index 3415f4141..804a5f589 100644
--- a/embed/ephy-embed-prefs.c
+++ b/embed/ephy-embed-prefs.c
@@ -351,6 +351,7 @@ webkit_pref_callback_gnome_fonts (GSettings  *ephy_settings,
   if (g_settings_get_boolean (ephy_settings, key)) {
     g_object_set (webkit_settings,
                   "default-font-family", "serif",
+                  "serif-font-family", "serif",
                   "sans-serif-font-family", "sans-serif",
                   "monospace-font-family", "monospace",
                   "default-font-size", webkit_settings_font_size_to_pixels (12),