package libxml2-dev 2.7.8.dfsg-5.1ubuntu4 failed to install/upgrade: './usr/bin/xml2-config' is different from the same file on the system

[edzer]

Linux gin-edzer 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

I saw this:

Reading state information... Done
The following NEW packages will be installed:
  libxml2-dev:i386
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/760 kB of archives.
After this operation, 2,206 kB of additional disk space will be used.
Do you want to continue [Y/n]?
(Reading database ... 280274 files and directories currently installed.)
Unpacking libxml2-dev:i386 (from .../libxml2-dev_2.7.8.dfsg-5.1ubuntu4_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libxml2-dev_2.7.8.dfsg-5.1ubuntu4_i386.deb (--unpack):
 './usr/bin/xml2-config' is different from the same file on the system
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for man-db ...
Errors were encountered while processing:
 /var/cache/apt/archives/libxml2-dev_2.7.8.dfsg-5.1ubuntu4_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Some errors occurred while unpacking. Packages that were installed
will be configured. This may result in duplicate errors
or errors caused by missing dependencies. This is OK, only the errors
above this message are important. Please fix them and run [I]nstall again
Press enter to continue.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libxml2-dev 2.7.8.dfsg-5.1ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu6
Architecture: amd64
Date: Fri Apr 27 20:08:59 2012
DuplicateSignature:
 Unpacking libxml2-dev:i386 (from .../libxml2-dev_2.7.8.dfsg-5.1ubuntu4_i386.deb) ...
 dpkg: error processing /var/cache/apt/archives/libxml2-dev_2.7.8.dfsg-5.1ubuntu4_i386.deb (--unpack):
  './usr/bin/xml2-config' is different from the same file on the system
ErrorMessage: './usr/bin/xml2-config' is different from the same file on the system
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: libxml2
Title: package libxml2-dev 2.7.8.dfsg-5.1ubuntu4 failed to install/upgrade: './usr/bin/xml2-config' is different from the same file on the system
UpgradeStatus: Upgraded to precise on 2012-04-27 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.