Oversized icon in apps playing sound list

[pqwoerituytrueiwoq]

Screenshot:
http://www.zimagez.com/zimage/screenshot-05012013-093532pm.php

~$ apt-cache policy pavucontrol
pavucontrol:
  Installed: 1.0-1
  Candidate: 1.0-1
  Version table:
 *** 1.0-1 0
        500 http://us.archive.ubuntu.com/ubuntu/ raring/universe amd64 Packages
        100 /var/lib/dpkg/status
apt-cache policy supertuxkart
supertuxkart:
  Installed: 0.8-1
  Candidate: 0.8-1
  Version table:
 *** 0.8-1 0
        500 http://us.archive.ubuntu.com/ubuntu/ raring/universe amd64 Packages
        100 /var/lib/dpkg/status
     0.8-1~getdeb1 0
        500 http://archive.getdeb.net/ubuntu/ quantal-getdeb/games amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: pavucontrol 1.0-1
Uname: Linux 3.9.0-030900-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Wed May 1 21:34:22 2013
InstallationDate: Installed on 2013-05-01 (0 days ago)
InstallationMedia: Xubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: pavucontrol
UpgradeStatus: No upgrade log present (probably fresh install)

[Thaddaeus Tintenfisch (thad-fisch-deactivatedaccount)]

/usr/share/pixmaps/supertux.xpm

Might be a duplicate of https://launchpad.net/bugs/1061037.