[latin-unity] Fix suboptimal interaction of latin-unity and VM.

[Stephen J. Turnbull]

Fabrice Popineau writes:

 > The situation vastly improved, but I still can't get the attachments to work
 > under Gnus. I even start to wonder if it is related. 

"Attachments under Gnus"?  Sorry, I don't remember this (probably my
acute brain cell loss...).  Is there a thread you can point me to?