package libpcre3-dbg 8.12-4 failed to install/upgrade: './usr/lib/debug/usr/bin/pcregrep' is different from the same file on the system

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This error (and others) occured when installing packages based on the package list from a 11.10 system.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libpcre3-dbg 8.12-4
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu6
Architecture: amd64
Date: Fri Apr 27 16:45:52 2012
DuplicateSignature:
 Unpacking libpcre3-dbg:i386 (from .../libpcre3-dbg_8.12-4_i386.deb) ...
 dpkg: error processing /var/cache/apt/archives/libpcre3-dbg_8.12-4_i386.deb (--unpack):
  './usr/lib/debug/usr/bin/pcregrep' is different from the same file on the system
ErrorMessage: './usr/lib/debug/usr/bin/pcregrep' is different from the same file on the system
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: pcre3
Title: package libpcre3-dbg 8.12-4 failed to install/upgrade: './usr/lib/debug/usr/bin/pcregrep' is different from the same file on the system
UpgradeStatus: No upgrade log present (probably fresh install)