nfs-utils: fix nfs mount error on 32bit nfs server

nfs-utils: fix nfs mount error on 32bit nfs server

There is a client side error "Stale file handle" when mounting from a
nfs server running on 32bit arch.

Steps to reproduce:
1. $ MACHINE=qemux86 bitbake core-image-sato
2. $ runqemu qemux86 kvm nographic qemuparams="-m 1024"
3. $ echo "/nfs_root *(insecure,rw,async,no_root_squash,no_subtree_check)" \
     >> /etc/exports
   $ /etc/init.d/nfsserver restart

  root@qemux86:~# mount -t nfs 127.0.0.1:/nfs_root /mnt
  mount: mounting 127.0.0.1:/nfs_root on /mnt failed: Stale file handle

Backport a patch to fix this issue.

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>