[CMake] Patch to CMake 2.2.3

[Brad King]

Gary MacDonald wrote:
> It looks like Gavin's fix to implement SOVERSION support on Unix is 
> incomplete (see prior thread: 
> http://public.kitware.com/pipermail/cmake/2003-June/003930.html).  The 
> FreeBSD platform options were not updated to provide this support.  I've 
> attached a patch for this.

Thanks, I've applied the patch in CVS.  It will be included in the next 
release.

-Brad