[dconf-editor] Use Unicode quotation marks in a new translatable string

[Piotr Drąg <piotrdrag src gnome org>]

commit 66edf37b8c83343cb1947488c095b053318dc245
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Oct 5 17:59:34 2017 +0200

    Use Unicode quotation marks in a new translatable string
    
    See https://developer.gnome.org/hig/stable/typography.html
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772372

 editor/dconf-editor.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/editor/dconf-editor.vala b/editor/dconf-editor.vala
index d84f108..b9db0a3 100644
--- a/editor/dconf-editor.vala
+++ b/editor/dconf-editor.vala
@@ -115,7 +115,7 @@ class ConfigurationEditor : Gtk.Application
 
                     if (!arg.has_prefix ("/"))
                     {
-                        commands.print (_("Path should start with a '/'.\n"));
+                        commands.print (_("Path should start with a “/”.\n"));
                         path = null;
                         ret = Posix.EXIT_FAILURE;
                     }