[rygel] data: Fix typo in COPYING.logo

[Jens Georg <jensgeorg src gnome org>]

commit 4efdc2761dab92490c703d3b274e861981ed6f73
Author: Jens Georg <mail jensge org>
Date:   Sat Nov 7 14:45:54 2015 +0100

    data: Fix typo in COPYING.logo
    
    Signed-off-by: Jens Georg <mail jensge org>

 COPYING.logo |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/COPYING.logo b/COPYING.logo
index e480017..3f0ebe4 100644
--- a/COPYING.logo
+++ b/COPYING.logo
@@ -1,2 +1,2 @@
 The Rygel logo is (c) Chris Kühl <blixtra gmail com> and distributed under
-CC-BY-SA 4.0
+CC-BY-SA 3.0