[epiphany/mcatanzaro/#1231: 9/9] GNOME font settings should apply to serif fonts

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 4542273400d1a798be1f04170f6d90a6c66cd9db
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Jun 13 13:57:22 2020 -0500

    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

 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 358bbe393..58f6668ef 100644
--- a/embed/ephy-embed-prefs.c
+++ b/embed/ephy-embed-prefs.c
@@ -464,6 +464,7 @@ 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),