The non-OMK stand-alone build updated to work with 2.6.18+ kernels.

The non-OMK stand-alone build updated to work with 2.6.18+ kernels.
The linux/version.h file no longer provides information about
kernel release. This information can be found in the linux/utsrelease.h
include file.
The problem reported and correction suggested by Francesco Monica,
but little different solution tested in other drivers has been
included at the end.