[gnome-tweak-tool] app: Use the regular Unicode © symbol

[Jeremy Bicha <jbicha src gnome org>]

commit 769556b4d88071c6e2aa6bdff1eec127b02cfe83
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Wed Jun 7 18:49:49 2017 -0400

    app: Use the regular Unicode © symbol

 gtweak/app.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtweak/app.py b/gtweak/app.py
index bb7b209..827a3b0 100644
--- a/gtweak/app.py
+++ b/gtweak/app.py
@@ -110,7 +110,7 @@ class GnomeTweakTool(Gtk.Application):
             (Gtk.get_major_version(), Gtk.get_minor_version(), Gtk.get_micro_version())
         aboutdialog.set_comments(about_comment)
 
-        aboutdialog.set_copyright("Copyright \xc2\xa9 2011 - 2013 John Stowers.")
+        aboutdialog.set_copyright("Copyright © 2011 - 2013 John Stowers.")
         aboutdialog.set_logo_icon_name("gnome-tweak-tool")
         aboutdialog.set_website("https://wiki.gnome.org/Apps/GnomeTweakTool";)
         aboutdialog.set_website_label(_("Homepage"))