[Xlibs] libXfont shared library version

[Keith Packard]

Around 20 o'clock on Nov 8, Eric Anholt wrote:

> I would lean towards the idea of the libraries initially having the
> shlib version as the package version, and then increasing the package
> version independently from there on out.  The desktop release version
> wouldn't be related to the versions of the individual parts.

Ok.  That's as sensible as anything, at least to start.  Note that the 
--version-info libraries will use different numbers on BSD and Linux; I 
suggest using the Linux version number for the package version as that's 
what most people will see, and is easily translated to a BSD version 
number.

-keith