package libfontconfig1 2.8.0-3ubuntu1 failed to install/upgrade: ErrorMessage: './usr/share/doc/libfontconfig1/AUTHORS' is different from the same file on the system

While upgrading to Ubuntu 11.10, it stops because it failed to update the package.

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: libfontconfig1 2.8.0-3ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
Uname: Linux 3.0.0-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Thu Aug 18 19:14:02 2011
ErrorMessage: ErrorMessage: './usr/share/doc/libfontconfig1/AUTHORS' is different from the same file on the system
SourcePackage: fontconfig
Title: package libfontconfig1 2.8.0-3ubuntu1 failed to install/upgrade: ErrorMessage: './usr/share/doc/libfontconfig1/AUTHORS' is different from the same file on the system
UpgradeStatus: Upgraded to oneiric on 2011-08-18 (0 days ago)