[gnome-desktop] po: Fix translation domain

[Florian Müllner <fmuellner src gnome org>]

commit 22155cbfd44a718ea4256cbb505a6a697d93434f
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Aug 2 16:09:48 2018 +0200

    po: Fix translation domain
    
    PACKAGE is gnome-desktop, but the domain is gnome-desktop-3.0.

 po/Makevars | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/Makevars b/po/Makevars
index 6e746be9..aeb45289 100644
--- a/po/Makevars
+++ b/po/Makevars
@@ -1,7 +1,7 @@
 # Makefile variables for PO directory in any package using GNU gettext.
 
 # Usually the message domain is the same as the package name.
-DOMAIN = $(PACKAGE)
+DOMAIN = gnome-desktop-3.0
 
 # These two variables depend on the location of this directory.
 subdir = po