[gnome-control-center] display: use Unicode in translatable strings

[Piotr Drąg <piotrdrag src gnome org>]

commit a3ec58345eca7fdeaf7d589adf780305cb8791b4
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Oct 3 14:40:03 2016 +0200

    display: use Unicode in translatable strings
    
    See https://developer.gnome.org/hig/stable/typography.html
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772199

 panels/display/cc-display-panel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/display/cc-display-panel.c b/panels/display/cc-display-panel.c
index 5edec89..5504fcb 100644
--- a/panels/display/cc-display-panel.c
+++ b/panels/display/cc-display-panel.c
@@ -2465,7 +2465,7 @@ show_setup_dialog (CcDisplayPanel *panel)
                                  GTK_LIST_BOX_ROW (item));
 
       item = list_box_item (_("Turn Off"),
-                            _("Don't use this display"));
+                            _("Don’t use this display"));
       gtk_container_add (GTK_CONTAINER (listbox), item);
 
       if (!active)