[gnome-sudoku/gnome-3-18] appdata: Specify gettext domain

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 3e22e302107642f2ac7992533c1a3109bcaf454a
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Jul 30 10:43:56 2016 -0500

    appdata: Specify gettext domain
    
    To survive modern appdata-validate

 data/gnome-sudoku.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/gnome-sudoku.appdata.xml.in b/data/gnome-sudoku.appdata.xml.in
index ad78296..46c1f78 100644
--- a/data/gnome-sudoku.appdata.xml.in
+++ b/data/gnome-sudoku.appdata.xml.in
@@ -30,4 +30,5 @@
   <url type="homepage">https://wiki.gnome.org/Apps/Sudoku</url>
   <updatecontact>games-list_at_gnome.org</updatecontact>
   <project_group>GNOME</project_group>
+  <translation type="gettext">gnome-sudoku</translation>
 </application>