[rygel] core: Slightly correct previous commit 487816

[Jens Georg <jensgeorg src gnome org>]

commit bbb2eedff3a43159f5d73f5dd388fc4ca4b152e5
Author: Jens Georg <mail jensge org>
Date:   Fri May 6 18:16:05 2011 +0200

    core: Slightly correct previous commit 487816
    
     - ImageItem implies !streamable
     - MusicItem / VideoItem imply streamable
    
    Didn't see that during review.

 src/rygel/rygel-http-get.vala |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/rygel/rygel-http-get.vala b/src/rygel/rygel-http-get.vala
index 9b26c1b..89feb75 100644
--- a/src/rygel/rygel-http-get.vala
+++ b/src/rygel/rygel-http-get.vala
@@ -156,8 +156,7 @@ internal class Rygel.HTTPGet : HTTPRequest {
             correct = this.handler is HTTPTranscodeHandler ||
                       (this.item.streamable () &&
                        this.subtitle == null &&
-                       this.thumbnail == null &&
-                       !(this.item is ImageItem));
+                       this.thumbnail == null);
 
             break;
         case "Interactive":
@@ -165,8 +164,7 @@ internal class Rygel.HTTPGet : HTTPRequest {
                        (!this.item.is_live_stream () ||
                         this.subtitle != null ||
                         this.thumbnail != null) &&
-                       (!(this.item is MusicItem) &&
-                        !(this.item is VideoItem));
+                       !this.item.streamable ();
 
             break;
         }