glusterfsd - build proper mount/fuse structure.
glusterfsd - build proper mount/fuse structure.

while appending mount/fuse to a translator tree, make sure
that <xlator_t-of-fuse>->next points to the first xlator in
the list of xlators and not the subvolume of mount/fuse.

NOTE: tree traversal should always happen through <xlator_t>->children

Signed-off-by: Anand V. Avati <6a1810c170bd423868ce2e225ecea39d80cade0f@dev.gluster.com>

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster