[damned-lies] Add ITS files for metainfo.xml string extraction

[Claude Paroz <claudep src gnome org>]

commit 44e2a575ac6d63e5bc5f8d5080720cf6a052485d
Author: Claude Paroz <claude 2xlibre net>
Date:   Tue Jan 17 17:41:04 2017 +0100

    Add ITS files for metainfo.xml string extraction

 damnedlies/settings.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/damnedlies/settings.py b/damnedlies/settings.py
index 6a50bb5..1b5c2aa 100644
--- a/damnedlies/settings.py
+++ b/damnedlies/settings.py
@@ -168,6 +168,10 @@ GETTEXT_ITS_DATA = {
         os.path.join('panels', 'keyboard', 'gnome-keybindings.loc'),
     ],
     'polkit': [os.path.join('data', 'polkit.its'), os.path.join('data', 'polkit.loc')],
+    'appstream': [
+        os.path.join('contrib', 'its', 'metainfo.its'),
+        os.path.join('contrib', 'its', 'metainfo.loc'),
+    ],
 }
 
 try: