Bug 131171: added HP-UX 11.20 support.
Bug 131171: added HP-UX 11.20 support.

nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old