package libsensors4 1:3.3.1-2ubuntu1 failed to install/upgrade: conffile './etc/sensors.d/.placeholder' is not in sync with other instances of the same package

[Duckhook]

Failed to install after upgrade of 12.04 from i386 to amd64 version.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libsensors4 1:3.3.1-2ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Fri May 11 23:40:05 2012
DuplicateSignature:
 Unpacking libsensors4:i386 (from .../libsensors4_1%3a3.3.1-2ubuntu1_i386.deb) ...
 dpkg: error processing /var/cache/apt/archives/libsensors4_1%3a3.3.1-2ubuntu1_i386.deb (--unpack):
  conffile './etc/sensors.d/.placeholder' is not in sync with other instances of the same package
ErrorMessage: conffile './etc/sensors.d/.placeholder' is not in sync with other instances of the same package
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: lm-sensors
Title: package libsensors4 1:3.3.1-2ubuntu1 failed to install/upgrade: conffile './etc/sensors.d/.placeholder' is not in sync with other instances of the same package
UpgradeStatus: No upgrade log present (probably fresh install)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #951493, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.