[gnome-calculator] Set application id (bgo#778228)

[Robert Roth <robertroth src gnome org>]

commit 4d98c63925dc22a3352a012712ba589b6d9fcda4
Author: Robert Roth <robert roth off gmail com>
Date:   Sun Feb 12 17:50:24 2017 +0200

    Set application id (bgo#778228)

 src/gnome-calculator.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gnome-calculator.vala b/src/gnome-calculator.vala
index 5cb9a75..d5305bc 100644
--- a/src/gnome-calculator.vala
+++ b/src/gnome-calculator.vala
@@ -40,7 +40,7 @@ public class Calculator : Gtk.Application
 
     public Calculator ()
     {
-        Object (flags : ApplicationFlags.NON_UNIQUE);
+        Object (flags : ApplicationFlags.NON_UNIQUE, application_id : "org.gnome.Calculator");
 
         add_main_option_entries (option_entries);
     }