[evolution] Add a missing tag to the AppData file

[Richard Hughes <rhughes src gnome org>]

commit 07531f8ade4b2ddec1d1e099c48cc97991f76c99
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jan 25 16:49:46 2016 +0000

    Add a missing tag to the AppData file

 evolution.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/evolution.appdata.xml.in b/evolution.appdata.xml.in
index a65c02e..9ec597f 100644
--- a/evolution.appdata.xml.in
+++ b/evolution.appdata.xml.in
@@ -36,4 +36,5 @@
     <kudo>UserDocs</kudo>
   </kudos>
   <project_group>GNOME</project_group>
+  <translation type="gettext">evolution-3.18</translation>
 </component>