fix: error when trying initialize slice of structs with default tag

[orangejohny]

Hey! I've came across a same issue as here. It seems it can be solved by do not passing default tag value to setField if current field is a slice.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (5220e08) 95.97% compared to head (586c267) 95.97%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #46   +/-   ##
=======================================
  Coverage   95.97%   95.97%           
=======================================
  Files           2        2           
  Lines         149      149           
=======================================
  Hits          143      143           
  Misses          3        3           
  Partials        3        3           

Files	Coverage Δ
defaults.go	95.89% <0.00%> (ø)

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[rjshrjndrn]

Hey @creasty Can you please merge this change? it's a major concern.

[rjshrjndrn]

till the PR is merged, if anybody is facing the issue, can use the fork I did from the PR (kudos @orangejohny).
import "github.com/rjshrjndrn/defaults"

[creasty]

Thank you for the fix and your patience

[creasty]

https://github.com/creasty/defaults/releases/tag/v1.8.0 published.