package xorg 1:7.6 7ubuntu4 failed to install/upgrade: trying to overwrite '/usr/share/doc/xorg', which is also in package xserver-xorg 1:7.6 7ubuntu2

crash after the last update

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu4
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic x86_64
NonfreeKernelModules: fglrx
Architecture: amd64
Date: Tue Jul 19 09:47:19 2011
DistUpgraded: Log time: 2011-07-14 11:06:02.628246
DistroCodename: oneiric
DistroVariant: ubuntu
ErrorMessage: trying to overwrite '/usr/share/doc/xorg', which is also in package xserver-xorg 1:7.6+7ubuntu2
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110705.1)
SourcePackage: xorg
Title: package xorg 1:7.6+7ubuntu4 failed to install/upgrade: trying to overwrite '/usr/share/doc/xorg', which is also in package xserver-xorg 1:7.6+7ubuntu2
UpgradeStatus: Upgraded to oneiric on 2011-07-15 (5 days ago)
version.compiz: compiz 1:0.9.5.0-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu13
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11~1-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11~1-0ubuntu4
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.2-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.0-3ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1