Properly count only the first hard link size on a rescan

[chutzimir]

Fixes #124

As a side effect also fixes the hard link information in the "info"
screen after a rescan.

[coveralls]

Pull Request Test Coverage Report for Build 1794573152

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.002%) to 95.613%

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Totals
Change from base Build 1768727717:	0.002%
Covered Lines:	2310
Relevant Lines:	2416

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💛 - Coveralls

[codecov]

Codecov Report

Merging #125 (794693c) into master (953c0f3) will decrease coverage by 0.27%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #125      +/-   ##
==========================================
- Coverage   94.33%   94.06%   -0.28%     
==========================================
  Files          25       25              
  Lines        2367     2375       +8     
==========================================
+ Hits         2233     2234       +1     
- Misses         99      104       +5     
- Partials       35       37       +2     

Impacted Files	Coverage Δ
tui/tui.go	89.30% <100.00%> (+0.06%)	⬆️
report/export.go	87.97% <0.00%> (-4.44%)	⬇️
pkg/analyze/wait.go	100.00% <0.00%> (ø)
pkg/analyze/dir.go	97.84% <0.00%> (+0.03%)	⬆️

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