- jbj: rpmz: start hiding zlib internals.
- jbj: rpmz: start hiding zlib internals.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5