run gofmt to add the new go:build tags

[marten-seemann]

No description provided.

[codecov]

Codecov Report

Merging #3277 (59ea0da) into master (ebcd98e) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3277      +/-   ##
==========================================
+ Coverage   85.47%   85.48%   +0.01%     
==========================================
  Files         132      132              
  Lines        9799     9799              
==========================================
+ Hits         8375     8376       +1     
  Misses       1048     1048              
+ Partials      376      375       -1     

Impacted Files	Coverage Δ
conn_oob.go	60.53% <ø> (ø)
conn_windows.go	56.52% <ø> (ø)
internal/qtls/go116.go	58.33% <ø> (ø)
internal/qtls/go117.go	58.33% <ø> (ø)
packet_handler_map.go	75.00% <0.00%> (+0.40%)	⬆️

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