Fix for bug 423839. Restore tstclnt.c that had been backed out. r=nelson
Fix for bug 423839. Restore tstclnt.c that had been backed out. r=nelson

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