lightnvm: fix type checks on rrpc

sector_t is always unsigned, therefore avoid < 0 checks on it.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
1 file changed