[gnome-maps] application: Bring back setting application name

[Marcus Lundblad <mlundblad src gnome org>]

commit c3f469be5405968047e3fdf6c82b395cbaec8407
Author: Marcus Lundblad <ml update uu se>
Date:   Sun Mar 3 00:02:58 2019 +0100

    application: Bring back setting application name
    
    This was lost when removing code for the
    GTK overlay in an earlier commit.
    
    Fixes #158

 src/application.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/application.js b/src/application.js
index 01ed1df..9cba29c 100644
--- a/src/application.js
+++ b/src/application.js
@@ -80,6 +80,7 @@ var Application = GObject.registerClass({
 
     _init() {
         /* Translators: This is the program name. */
+        GLib.set_application_name(_("Maps"));
 
         /* Needed to be able to use in UI files */
         _ensuredTypes.forEach((type) => GObject.type_ensure(type));