gremlin/gremlin.in: Clear `measure bitrate' progress when it's done.

This makes the display more flickery when every file needs to be
measured, but it avoids leaving debris on the screen at the end, or if
there are only a few files which need measuring.

diff --git a/gremlin/gremlin.in b/gremlin/gremlin.in
index f4e7853..fe9491d 100644 (file)
--- a/gremlin/gremlin.in
+++ b/gremlin/gremlin.in
@@ -956,6 +956,7 @@ class AudioIdentifier (object):
     if fail:
       pipe.set_state(GS.State.NULL)
       raise fail[0], fail[1], fail[2]
+    STATUS.clear()
 
     ## The bitrate computation wants the file size.  Ideally we'd want the
     ## total size of the frames' contents, but that seems hard to dredge