[pnfs] sequence xdr fix

[dean hildebrand]

> >
> > @@ -198,7 +197,7 @@ #define NFS4_enc_readlink_sz        (compound_e
> >  #define NFS4_dec_readlink_sz   (compound_decode_hdr_maxsz + \
> >                                 decode_sequence_maxsz + \
> >                                 decode_putfh_maxsz + \
> > -                               op_decode_hdr_maxsz)
> > +                               op_decode_hdr_maxsz + 1)
>
> Yeah... Is this this for the link string length?

Yes, it seems that it was out of date.  The function was just using a
hardcoded numeric value.

Dean