package/nfs-utils: bump version to 2.5.2
Bump to version 2.5.2 and add missing whitespace in .hash file for
COPYING.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Acked-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>