missing dependency with xdiagnose

If you install xdiagnose and try to run it on Kubuntu 12.04 it gives the following error:

[11:42:29] root@hilbert:~$xdiagnose
Traceback (most recent call last):
  File "/usr/bin/xdiagnose", line 67, in <module>
    app = XDiagnoseApplet()
  File "/usr/lib/python2.7/dist-packages/xdiagnose/applet.py", line 106, in __init__
    pixbuf = Pixbuf.new_from_file(icon_file)
  File "/usr/lib/python2.7/dist-packages/gi/types.py", line 72, in constructor
    return info.invoke(cls, *args, **kwargs)
gi._glib.GError: Couldn't recognize the image file format for file '/usr/share/xdiagnose/icons/microscope.svg'

Which looks conspicuously similiar to this bug report: https://bugs.launchpad.net/ubuntu/+source/gnome-themes-standard/+bug/799505 where a thread suggests installing: librsvg2-common

Doing this fixes the issue:
[11:42:31] root@hilbert:~$apt-get install librsvg2-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-3.2.0-23-generic linux-headers-3.2.0-23
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  librsvg2-common
0 upgraded, 1 newly installed, 0 to remove and 103 not upgraded.
Need to get 0 B/21.0 kB of archives.
After this operation, 265 kB of additional disk space will be used.
Selecting previously unselected package librsvg2-common.
(Reading database ... 199665 files and directories currently installed.)
Unpacking librsvg2-common (from .../librsvg2-common_2.36.1-0ubuntu1_amd64.deb) ...
Processing triggers for libgdk-pixbuf2.0-0 ...
Setting up librsvg2-common (2.36.1-0ubuntu1) ...
Processing triggers for libgdk-pixbuf2.0-0 ...
[11:44:01] root@hilbert:~$xdiagnose
^Z
[1]+ Stopped xdiagnose