[rygel] renderer: Set "Connection" header to close

[Jens Georg <jensgeorg src gnome org>]

commit 7d9d44591a038e87b865ecc0b7cfd2d2302a01e1
Author: Milan Plzik <milan plzik streamunlimited com>
Date:   Wed Aug 13 13:45:20 2014 +0200

    renderer: Set "Connection" header to close
    
    Fixes DLNA test case 7.4.20.4
    
    Original author: Xia Zhou <ameliex86 gmail com>
    Signed-off-by: Xia Zhou <ameliex86 gmail com>

 src/librygel-renderer/rygel-av-transport.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/librygel-renderer/rygel-av-transport.vala b/src/librygel-renderer/rygel-av-transport.vala
index 4d0c4e1..7d2d252 100644
--- a/src/librygel-renderer/rygel-av-transport.vala
+++ b/src/librygel-renderer/rygel-av-transport.vala
@@ -866,6 +866,7 @@ internal class Rygel.AVTransport : Service {
             var message = new Message ("HEAD", uri);
             message.request_headers.append ("getContentFeatures.dlna.org",
                                             "1");
+            message.request_headers.append ("Connection", "close");
             this.head_faked = false;
             message.finished.connect ((msg) => {
                 this.check_resource (msg, uri, metadata, action);