Error with estimated time

Hi Guys,

I have just tested the current github repo version of Hashcat and I noticed a minor error in the estimated time output.

It shows the estimated time to completion as being ~3 years, but the calculated time is stated as ~6 years.

./hashcat --version

v3.6.0-339-g1ed6576

Session..........: hashcat
Status...........: Running
Hash.Type........: DES (PT = $salt, key = $pass)
Hash.Target......:
Time.Started.....: Fri Aug 11 14:11:00 2017 (18 secs)
Time.Estimated...: Mon Oct 12 00:57:58 2020 (6 years, 58 days)
Guess.Mask.......: ?1?1?1?1?1?1?1?1 [8]
Guess.Charset....: -1 charsets/DES_full.charset, -2 Undefined, -3 Undefined, -4 Undefined 
Guess.Queue......: 1/1 (100.00%)
Speed.Dev.#1.....:   370.8 MH/s (65.69ms)
Recovered........: 0/1 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.........: 6618611712/72057594037927936 (0.00%)
Rejected.........: 0/6618611712 (0.00%)
Restore.Point....: 0/34359738368 (0.00%)
Candidates.#1....: 
HWMon.Dev.#1.....: N/A

[s]tatus [p]ause [r]esume [b]ypass [c]heckpoint [q]uit => 


Cheers,
Matt