[gnome-builder] flatpak: ignore org.gtk.Gtk3theme. runtimes

[Christian Hergert <chergert src gnome org>]

commit ff346744cf2a5af8ccf41cab4606ac298f94812b
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 12 17:16:50 2017 -0700

    flatpak: ignore org.gtk.Gtk3theme. runtimes

 plugins/flatpak/gbp-flatpak-util.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/plugins/flatpak/gbp-flatpak-util.c b/plugins/flatpak/gbp-flatpak-util.c
index 9c785b0..b920201 100644
--- a/plugins/flatpak/gbp-flatpak-util.c
+++ b/plugins/flatpak/gbp-flatpak-util.c
@@ -83,6 +83,7 @@ gbp_flatpak_is_ignored (const gchar *name)
   return g_str_has_suffix (name, ".Locale") ||
          g_str_has_suffix (name, ".Debug") ||
          g_str_has_suffix (name, ".Sources") ||
-         g_str_has_suffix (name, ".Var");
+         g_str_has_suffix (name, ".Var") ||
+         g_str_has_prefix (name, "org.gtk.Gtk3theme.");
 }