[gnome-builder/wip/jtojnar/fontconfig-dtd] flatpak: Use URN for fontconfig DTD

[Jan Tojnar <jtojnar src gnome org>]

commit 186ba0d8e5f3461c818fca2ed9a5695fd02db7c1
Author: Jan Tojnar <jtojnar gmail com>
Date:   Wed Dec 8 09:40:22 2021 +0000

    flatpak: Use URN for fontconfig DTD
    
    It should not make any difference other than making it in sync with fontconfig
    https://gitlab.freedesktop.org/fontconfig/fontconfig/-/commit/9c46ef4aac87c42d013d0e7380b6aeb03e1a9949

 src/plugins/flatpak/gbp-flatpak-aux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/flatpak/gbp-flatpak-aux.c b/src/plugins/flatpak/gbp-flatpak-aux.c
index 92a2f9856..14f3b04c7 100644
--- a/src/plugins/flatpak/gbp-flatpak-aux.c
+++ b/src/plugins/flatpak/gbp-flatpak-aux.c
@@ -83,7 +83,7 @@ gbp_flatpak_aux_init (void)
 
   g_string_append (xml_snippet,
                    "<?xml version=\"1.0\"?>\n"
-                   "<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">\n"
+                   "<!DOCTYPE fontconfig SYSTEM \"urn:fontconfig:fonts.dtd\">\n"
                    "<fontconfig>\n");
 
   if (_ide_path_query_exists_on_host (SYSTEM_FONTS_DIR))