[gitg] Add a missing tag to the AppData file

[Richard Hughes <rhughes src gnome org>]

commit 5e5e98fb1243c13c88394b356c995235f9483b2b
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jan 25 15:56:24 2016 +0000

    Add a missing tag to the AppData file

 data/gitg.appdata.xml |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/gitg.appdata.xml b/data/gitg.appdata.xml
index 85a5a00..68e3fa1 100644
--- a/data/gitg.appdata.xml
+++ b/data/gitg.appdata.xml
@@ -32,4 +32,5 @@
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Gitg</url>
   <updatecontact>icq gnome org</updatecontact>
+  <translation type="gettext">gitg</translation>
 </application>