[gnome-software] trivial: Update copyright year in About dialog

[Kalev Lember <klember src gnome org>]

commit 02de9cd76484fa6036b1048e0d35a36b9575e6c0
Author: Kalev Lember <klember redhat com>
Date:   Wed Jan 16 22:14:49 2019 +0100

    trivial: Update copyright year in About dialog

 src/gs-application.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gs-application.c b/src/gs-application.c
index 0fd49493..cbc89530 100644
--- a/src/gs-application.c
+++ b/src/gs-application.c
@@ -330,7 +330,7 @@ about_activated (GSimpleAction *action,
                "William Jon McCann",
                NULL
        };
-       const gchar *copyright = "Copyright \xc2\xa9 2016 Richard Hughes, Matthias Clasen, Kalev Lember";
+       const gchar *copyright = "Copyright \xc2\xa9 2016-2019 Richard Hughes, Matthias Clasen, Kalev Lember";
        GtkAboutDialog *dialog;
        g_autofree gchar *title = NULL;