Update copyright year

Author: quozl

extensions/cpsection/aboutcomputer/view.py

@@ -155,7 +155,7 @@ def _setup_copyright(self):
         vbox_copyright.set_border_width(style.DEFAULT_SPACING * 2)
         vbox_copyright.set_spacing(style.DEFAULT_SPACING)
 
-        copyright_text = '© 2006-2017 One Laptop per Child Association Inc,' \
+        copyright_text = '© 2006-2019 One Laptop per Child Association Inc,' \
                          ' Sugar Labs Inc, Red Hat Inc, Collabora Ltd and' \
                          ' Contributors.'
         label_copyright = Gtk.Label(label=copyright_text)