[rygel] core: Unbreak compilation with valac-0.12

[Jens Georg <jensgeorg src gnome org>]

commit c5821c92f44e85c81a495c5f790c5f7c6aa43850
Author: Jens Georg <mail jensge org>
Date:   Wed Oct 26 14:57:06 2011 +0200

    core: Unbreak compilation with valac-0.12

 src/rygel/rygel-transcoder.vala |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/rygel/rygel-transcoder.vala b/src/rygel/rygel-transcoder.vala
index e7a92c9..ea28322 100644
--- a/src/rygel/rygel-transcoder.vala
+++ b/src/rygel/rygel-transcoder.vala
@@ -193,13 +193,14 @@ internal abstract class Rygel.Transcoder : GLib.Object {
         return;
     }
 
+    private const string description = "Encoder and decoder are not " +
+                                       "compatible";
+
     private void on_no_more_pads (Element decodebin) {
         // We haven't found any pads we could link
         if (this.link_failed) {
             // Signalize that error
             var bin = this.encoder.get_parent () as Bin;
-            const string description = "Encoder and decoder are not " +
-                                       "compatible";
             var error = new IOError.FAILED ("Could not link");
             var message = new Message.error (bin,
                                              error,