[dconf-editor] Missing "internal" modifier.

[Arnaud B. <arnaudb src gnome org>]

commit 895c9a42fd53846056d5c53069d427b66eac10c1
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Aug 1 17:55:32 2018 +0200

    Missing "internal" modifier.

 editor/dconf-window.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index 1cb40e0..866832b 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -18,7 +18,7 @@
 using Gtk;
 
 [Flags]
-enum RelocatableSchemasEnabledMappings
+internal enum RelocatableSchemasEnabledMappings
 {
     USER,
     BUILT_IN,