package fontconfig 2.11.0-0ubuntu4.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Dave Harris]

Similar to #1375345 but on 2.11.0-0ubuntu4.2

package fontconfig 2.11.0-0ubuntu4.1 failed to install/upgrade: subprocess installed
post-installation script returned error exit status 1

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: fontconfig 2.11.0-0ubuntu4.2
ProcVersionSignature: Ubuntu 3.13.0-93.140-generic 3.13.11-ckt39
Uname: Linux 3.13.0-93-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
Date: Sat Sep 3 15:16:53 2016
DuplicateSignature: package:fontconfig:2.11.0-0ubuntu4.2:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-09-07 (727 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.14
SourcePackage: fontconfig
Title: package fontconfig 2.11.0-0ubuntu4.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)