Launcher counter remains after application is closed

Binary package hint: unity

Empathy message counter on the unity launcher remains after the application been closed.

See screenshot of launcher bar after empathy was closed.

Steps to reproduce:

1) Open Empathy
2) Minimize empathy
3) wait for a new message notification to show up on unity launcher
4) Right click on launcher and select Quit
5) Application will close but counter value will still be visible.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.8.8-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 270.41.03 Sat Apr 9 00:06:19 PDT 2011
 GCC version: gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu3)
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,grid,move,resize,mousepoll,gnomecompat,thumbnail,imgpng,vpswitch,place,regex,wall,session,unitymtgrabhandles,animation,workarounds,expo,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
Date: Sat Apr 16 19:02:09 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus: nvidia-current, 270.41.03, 2.6.38-7-generic, x86_64: installed
GraphicsCard:
 nVidia Corporation G84 [GeForce 8600M GT] [10de:0407] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Toshiba America Info Systems Device [1179:0001]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
InstallationMedia__: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
JockeyStatus: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
MachineType: TOSHIBA Qosmio G40
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 LANGUAGE=en_NZ:en
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=6bb5e103-97d9-4160-87be-411c26340032 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
ProcVersionSignature__: Ubuntu 2.6.38-7.39-generic 2.6.38
Renderer: Unknown
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/29/2008
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 2.20
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 00000000
dmi.chassis.type: 10
dmi.chassis.version: A
dmi.modalias: dmi:bvnTOSHIBA:bvrVersion2.20:bd02/29/2008:svnTOSHIBA:pnQosmioG40:pvrPQG40A-00Y014:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTSI:ct10:cvrA:
dmi.product.name: Qosmio G40
dmi.product.version: PQG40A-00Y014
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu12
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7