tftp[d]: fix block# handling on upload with non-default blocksize

function                                             old     new   delta
tftp_protocol                                       1590    1618     +28

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed