[brasero] Fix for a patch from gnome-2-28 branch that did not apply well

[Philippe Rouquier <philippr src gnome org>]

commit fce7036afab11a7af521bf39e66a0f506a7eb8da
Author: Philippe Rouquier <bonfire-app wanadoo fr>
Date:   Sun Oct 4 14:15:51 2009 +0200

    Fix for a patch from gnome-2-28 branch that did not apply well

 libbrasero-media/brasero-drive.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/libbrasero-media/brasero-drive.c b/libbrasero-media/brasero-drive.c
index 0258bb2..f5094ab 100644
--- a/libbrasero-media/brasero-drive.c
+++ b/libbrasero-media/brasero-drive.c
@@ -224,6 +224,20 @@ brasero_drive_cancel_probing (BraseroDrive *drive)
 		g_source_remove (priv->probe_id);
 		priv->probe_id = 0;
 	}
+
+	if (priv->medium) {
+		BraseroMedium *medium;
+
+		medium = priv->medium;
+		priv->medium = NULL;
+
+		g_signal_emit (drive,
+			       drive_signals [MEDIUM_REMOVED],
+			       0,
+			       medium);
+
+		g_object_unref (medium);
+	}
 }
 
 /**