fix for 94866, DSA key gen broken on 64-bit platforms
fix for 94866, DSA key gen broken on 64-bit platforms

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