The package libreadline5-dev should be rebuild with new debhelper to get trigger support

LAST BUILD TESTED: 5.2-7build1

Well the summary basically says it all. On karmic when I install libreadline5-dev by way of "sudo apt-get build-dep liferea" I see this:

=================================================
(...)
Setting up libreadline5-dev (5.2-6) ...
Ignoring install-info called from maintainer script
The package libreadline5-dev should be rebuild with new debhelper to get trigger support
Ignoring install-info called from maintainer script
The package libreadline5-dev should be rebuild with new debhelper to get trigger support
(...)
=================================================

lsb_release -rd
Description: Ubuntu 9.10
Release: 9.10

apt-cache policy libreadline5-dev
  Installed: 5.2-6
  Candidate: 5.2-6
  Version table:
 *** 5.2-6 0
        500 http://de.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
Architecture: i386
Date: Sun Dec 13 22:58:27 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
NonfreeKernelModules: nvidia
Package: libreadline5-dev 5.2-6
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
ProcVersionSignature: Ubuntu 2.6.31-16.53-generic-pae
SourcePackage: readline5
Uname: Linux 2.6.31-16-generic-pae i686