pop-up handle image disconnects

[khul]

The little pop-up handle at the right for scrolling sometimes remains when one switches from evolution to another application or another desktop. It then remains in front of the active window, which is a slight nuisance.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: evolution 3.2.2-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.0.0-15.26-generic 3.0.13
Uname: Linux 3.0.0-15-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Fri Jan 27 10:27:33 2012
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_GB.utf8
 SHELL=/bin/bash
SourcePackage: evolution
UpgradeStatus: Upgraded to oneiric on 2012-01-19 (7 days ago)