[pango/speed-up-format-filtering: 7/8] Use the right FcConfig for FcRenderPrepare

[Matthias Clasen <matthiasc src gnome org>]

commit 5e8656f75a58dcaef6b81f7e1c09b7b02f9dc9ae
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 19 07:42:31 2020 -0400

    Use the right FcConfig for FcRenderPrepare
    
    Passing NULL for a config argument in a fontconfig
    api means we are using the default configuration,
    which may be different from the one the fontmap
    is supposed to be using.

 pango/pangofc-fontmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/pango/pangofc-fontmap.c b/pango/pangofc-fontmap.c
index b15a4fea..6da07e8c 100644
--- a/pango/pangofc-fontmap.c
+++ b/pango/pangofc-fontmap.c
@@ -1147,7 +1147,7 @@ pango_fc_fontset_load_next_font (PangoFcFontset *fontset)
 
   if (prepare)
     {
-      font_pattern = FcFontRenderPrepare (NULL, pattern, font_pattern);
+      font_pattern = FcFontRenderPrepare (fontset->key->fontmap->priv->config, pattern, font_pattern);
 
       if (G_UNLIKELY (!font_pattern))
        return NULL;