Another readahead issue

[Bill Nottingham]

Rex Dieter (rdieter at math.unl.edu) said: 
> imo, avoid the mess, firefox could use an unversioned folder,
> say, /usr/lib/firefox.  I assume there's good reasons not to do this tho,
> else the firefox packagin/maintainer would be doing this already, right? :)

It doesn't have a consistent ABI, so using a single location would lead
to apps breaking when the ABI changes - at least with a different folder
they break in a predictable way.

Bill