[pitivi: 2/6] ui/previewer: remove the correct segment from the queue.

[Edward Hervey <edwardrv src gnome org>]

commit 496b017262732fed5df8135a5001f46f63c78b51
Author: Alessandro Decina <alessandro d gmail com>
Date:   Fri Sep 10 15:43:40 2010 +0200

    ui/previewer: remove the correct segment from the queue.
    
    This fixes a bug that caused waveforms not to be drawn sometimes.

 pitivi/ui/previewer.py |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/pitivi/ui/previewer.py b/pitivi/ui/previewer.py
index 971912c..a82988f 100644
--- a/pitivi/ui/previewer.py
+++ b/pitivi/ui/previewer.py
@@ -294,8 +294,7 @@ class RandomAccessPreviewer(Previewer):
         self._cache[segment] = surface
         self.emit("update", segment)
 
-        if segment in self._queue:
-            self._queue.remove(segment)
+        self._queue.remove(waiting)
         self._nextThumbnail()
         return False