fix an 'unused variable' warning and fix usage of HAVE_MMAP (actually unused as no Autoconf glue exists anyway)
fix an 'unused variable' warning and fix usage of HAVE_MMAP (actually unused as no Autoconf glue exists anyway)

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