[gnome-font-viewer] Add a missing tag to the AppData file

[Richard Hughes <rhughes src gnome org>]

commit 20af495f6efd54de9b262f76a8e8e1bd515863a6
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jan 25 15:34:07 2016 +0000

    Add a missing tag to the AppData file

 data/org.gnome.font-viewer.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.font-viewer.appdata.xml.in b/data/org.gnome.font-viewer.appdata.xml.in
index 99182f0..2467660 100644
--- a/data/org.gnome.font-viewer.appdata.xml.in
+++ b/data/org.gnome.font-viewer.appdata.xml.in
@@ -31,4 +31,5 @@
     <kudo>AppMenu</kudo>
     <kudo>ModernToolkit</kudo>
   </kudos>
+  <translation type="gettext">gnome-font-viewer</translation>
 </component>