package mysql-workbench (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/mysql-workbench/libgrt.so.0.0.0', which is also in package mysql-workbench-gpl 5.2.42-1ubu1204

[Martin]

apt-get install mysql-workbench

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: mysql-workbench (not installed)
ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
Uname: Linux 3.8.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Tue Jul 16 20:12:21 2013
ErrorMessage: trying to overwrite '/usr/lib/mysql-workbench/libgrt.so.0.0.0', which is also in package mysql-workbench-gpl 5.2.42-1ubu1204
InstallationDate: Installed on 2011-12-30 (564 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MarkForUpload: True
SourcePackage: mysql-workbench
Title: package mysql-workbench (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/mysql-workbench/libgrt.so.0.0.0', which is also in package mysql-workbench-gpl 5.2.42-1ubu1204
UpgradeStatus: Upgraded to raring on 2013-05-09 (68 days ago)