fs/fat: Remove two statements without effect

fatlength is a local variable which is no more used after the assignment.
s_name is not used in the function, save the strncpy.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
1 file changed