[gnome-logs] Add licenses to AppData description

[David King <davidk src gnome org>]

commit 5649cd2017bbeb4712a6044becf7dded8b350d6e
Author: David King <davidk gnome org>
Date:   Mon Aug 18 12:36:38 2014 +0100

    Add licenses to AppData description
    
    Use newer metadata_license element instead of licence element.

 data/org.gnome.Logs.appdata.xml.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.Logs.appdata.xml.in b/data/org.gnome.Logs.appdata.xml.in
index 2922115..9e08323 100644
--- a/data/org.gnome.Logs.appdata.xml.in
+++ b/data/org.gnome.Logs.appdata.xml.in
@@ -2,7 +2,8 @@
 <!-- Copyright 2013, 2014 David King <davidk gnome org> -->
 <application>
     <id type="desktop">org.gnome.Logs.desktop</id>
-    <licence>CC0</licence>
+    <metadata_license>CC0-1.0</metadata_license>
+    <project_license>GPL-3.0+</project_license>
 <!-- Both taken from desktop file.
     <name>Logs</name>
     <summary>View detailed event logs for the system</summary>