Which we forgot to do in bd224fce ("qht-bench: add -p flag
to precompute hash values", 2018-09-26).
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: NEmilio G. Cota <cota@braap.org>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>