[latexila] About dialog: update copyright

[Sébastien Wilmet <swilmet src gnome org>]

commit 5acc343018d5ffec564f5099175b1d62dff275f4
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Feb 7 18:52:13 2014 +0100

    About dialog: update copyright

 src/main_window.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/main_window.vala b/src/main_window.vala
index cbbfc5b..d153715 100644
--- a/src/main_window.vala
+++ b/src/main_window.vala
@@ -1204,7 +1204,7 @@ public class MainWindow : Window
     {
         string comments =
             _("LaTeXila is an Integrated LaTeX Environment for the GNOME Desktop");
-        string copyright = "Copyright (C) 2009-2013 Sébastien Wilmet";
+        string copyright = "Copyright © 2009-2014 - Sébastien Wilmet";
 
         string website = "https://wiki.gnome.org/Apps/LaTeXila";;