[gnumeric] Appdata: update to latest hugsie request.

[Morten Welinder <mortenw src gnome org>]

commit 8c77d700b0959b64f32985f64a97190accd0616c
Author: Morten Welinder <terra gnome org>
Date:   Fri May 2 18:43:49 2014 -0400

    Appdata: update to latest hugsie request.

 gnumeric.appdata.xml.in |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gnumeric.appdata.xml.in b/gnumeric.appdata.xml.in
index a9f0f5b..67b174d 100644
--- a/gnumeric.appdata.xml.in
+++ b/gnumeric.appdata.xml.in
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2014 Morten Welinder <terra gnome org> -->
 <application>
 <id type="desktop">gnumeric.desktop</id>
-<!--of the appdata--><licence>CC0</licence>
+<metadata_license>CC0-1.0</metadata_license>
+<project_license>GPL-2.0 and GPL-3.0</project_license>
 <description>
 <p>Gnumeric is a spreadsheet application for interactive manipulation of data.</p>
 <p>Gnumeric aims to provide high-accuracy computations, expressive graphs,