package libpjlib-util2 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/libpjlib-util.so.2', which is also in package pjproject 2.4.5-1

[shawky]

lippj2

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libpjlib-util2 (not installed)
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Thu May 12 04:34:54 2016
ErrorMessage: trying to overwrite '/usr/lib/libpjlib-util.so.2', which is also in package pjproject 2.4.5-1
InstallationDate: Installed on 2016-05-10 (1 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.10ubuntu1
SourcePackage: pjproject
Title: package libpjlib-util2 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/libpjlib-util.so.2', which is also in package pjproject 2.4.5-1
UpgradeStatus: Upgraded to xenial on 2016-05-10 (1 days ago)