Use space is wrong in "fim log"

[crile]

Hi,

I remove several files. But the use space is not update in the commit.

• State 1 250 MB
• State 2 252 MB
• State 3 163 MB

But, I remove files in State 2, the use space should be updated in state 2 not in state 3.

λ fim log -q
- State #1: 2018/05/03 22:34:38 (1801 files - 250.3 MB - generated using hash mode hashMediumBlock)

1801 added

- State #2: 2018/05/03 23:20:01 (1950 files - 252.6 MB - generated using hash mode hashAll)

149 added, 1768 content modified, 33 deleted

- State #3: 2018/05/05 21:47:20 (1935 files - 163.5 MB - generated using hash mode hashMediumBlock)

18 added, 2 content modified, 2 deleted

Note: the two deleted files in state 3 are small.