Add the distro version to the RPM release number, so that it the
RPM names do not conflict.

Allow the RPM built from upstream to replace the split packages provided
by the distros.  At some point in the future it may be desirable to also
split the RPM built by this spec file, but this is complicated by the
fact that SLES and RHEL have different splits.

Signed-off-by: Girish Shilamkar <girish.shilamkar@sun.com>
Signed-off-by: Andreas Dilger <adilger@sun.com>