[cheese] Use new metadata_license in AppData description

[David King <davidk src gnome org>]

commit ed628aeaeba658580f159bb30168c54559d90669
Author: David King <amigadave amigadave com>
Date:   Mon Aug 18 21:13:14 2014 +0100

    Use new metadata_license in AppData description

 data/org.gnome.Cheese.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.Cheese.appdata.xml.in b/data/org.gnome.Cheese.appdata.xml.in
index 7439e90..8bd9272 100644
--- a/data/org.gnome.Cheese.appdata.xml.in
+++ b/data/org.gnome.Cheese.appdata.xml.in
@@ -2,7 +2,7 @@
 <!-- Copyright 2013, 2014 David King <davidk gnome org -->
 <application>
     <id type="desktop">org.gnome.Cheese.desktop</id>
-    <licence>CC0</licence>
+    <metadata_license>CC0-1.0</metadata_license>
 <!-- Both taken from the desktop file.
     <name>Cheese</name>
     <summary></summary>