[gnome-mahjongg] About dialog: use en dash to indicate a range

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b3bef9834189c7a0e1017ba160bbfe529c4a42d4
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Jan 20 18:04:29 2014 -0600

    About dialog: use en dash to indicate a range

 src/gnome-mahjongg.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gnome-mahjongg.vala b/src/gnome-mahjongg.vala
index f57c892..d055e20 100644
--- a/src/gnome-mahjongg.vala
+++ b/src/gnome-mahjongg.vala
@@ -537,7 +537,7 @@ public class Mahjongg : Gtk.Application
                                "version", VERSION,
                                "comments",
                                _("A matching game played with Mahjongg tiles\n\nMahjongg is a part of GNOME 
Games."),
-                               "copyright", "Copyright \xc2\xa9 1998-2008 Free Software Foundation, Inc.",
+                               "copyright", "Copyright © 1998–2008 Free Software Foundation, Inc.",
                                "license-type", Gtk.License.GPL_2_0,
                                "authors", authors,
                                "artists", artists,