Conflict with package ia32-libs

[fatsheep]

The packages ia32-libs-openoffice.org and ia32-libs both contain the file /usr/lib32/libaudio.so.2.4' which prevents me from upgrading ia32-libs. Here's the result of running sudo aptitude -f upgrade:

fatsheep:~$ sudo aptitude -f upgrade
Password:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Building tag database... Done
The following packages have been kept back:
nvidia-glx nvidia-glx-dev
The following packages will be upgraded:
ia32-libs
1 packages upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
Need to get 0B/17.9MB of archives. After unpacking 5460kB will be used.
Do you want to continue? [Y/n/?] y
(Reading database ... 160292 files and directories currently installed.)
Preparing to replace ia32-libs 1.5ubuntu5 (using .../ia32-libs_1.5ubuntu9_amd64.deb) ...
Unpacking replacement ia32-libs ...
dpkg: error processing /var/cache/apt/archives/ia32-libs_1.5ubuntu9_amd64.deb (--unpack):
trying to overwrite `/usr/lib32/libaudio.so.2.4', which is also in package ia32-libs-openoffice.org
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
/var/cache/apt/archives/ia32-libs_1.5ubuntu9_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:

[William Grant (wgrant)]

ia32-libs-openoffice.org has been removed, and ia32-libs should probably Replace it (only << 5 at the moment).

[Matthias Klose (doko)]

1.19ubuntu2 has:

Replaces: ia32-libs-openoffice.org, ia32-libs-dev (<< 1.6), nvidia-glx-ia32 (<< 1.0.8774-7), ia32-libs-gtk, ia32-libs-sdl
Conflicts: ia32-libs-openoffice.org, ia32-libs-dev (<< 1.6), nvidia-glx-ia32 (<< 1.0.8774-7), ia32-libs-gtk, ia32-libs-sdl