Comment 6 for bug 136962

This is a once-off preinst - in this version we change from 00xserver-xgl_start-server to 98xserver-xgl_start-server. Since these are both conf files, dpkg will not automatically remove the old 00... file. If the user has not altered this file we're happy to remove it. If the user has modified this file, we leave it - our new 98... file will give a warning, but won't break in this situation.

This action is only necessary when upgrading from 1:1.1.99.1~git20070727-0ubuntu1, since this file only exists in that version. I'll add this as a comment to preinst, and upload.