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

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b69298c77112f0662924705101078a1c9d064126
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Jan 20 17:51:02 2014 -0600

    About dialog: use en dash to indicate a range

 src/gnome-klotski.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gnome-klotski.vala b/src/gnome-klotski.vala
index c53dce3..d15aecd 100644
--- a/src/gnome-klotski.vala
+++ b/src/gnome-klotski.vala
@@ -970,7 +970,7 @@ public class Klotski : Gtk.Application
                                "version", VERSION,
                                "comments", _("Sliding block puzzles\n\nKlotski is a part of GNOME Games."),
                                "copyright",
-                               "Copyright \xc2\xa9 1999-2008 Lars Rydlinge",
+                               "Copyright © 1999–2008 Lars Rydlinge",
                                "license-type", Gtk.License.GPL_2_0,
                                "authors", authors,
                                "documenters", documenters,