* packages/rpm/Makefile : Switch to using rpmbuild rather than rpm as       RedHat 8.0 can't build with "rpm" and RedHat 7.X has rpmbuild.
* packages/rpm/Makefile : Switch to using rpmbuild rather than rpm as
      RedHat 8.0 can't build with "rpm" and RedHat 7.X has rpmbuild.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion