bug 125112, don't alloc return array if there are no certs found
bug 125112, don't alloc return array if there are no certs found

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