fix issue in gstr.Nl2Br

[gqcn]

No description provided.

[codecov-commenter]

Codecov Report

Merging #2028 (f244a2a) into master (390b936) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2028      +/-   ##
==========================================
+ Coverage   76.50%   76.51%   +0.01%     
==========================================
  Files         516      516              
  Lines       46712    46712              
==========================================
+ Hits        35738    35743       +5     
+ Misses       9002     8998       -4     
+ Partials     1972     1971       -1     

Flag	Coverage Δ
go-1.15-386	76.38% <100.00%> (-0.03%)	⬇️
go-1.15-amd64	76.42% <100.00%> (+<0.01%)	⬆️
go-1.16-386	76.42% <100.00%> (+0.01%)	⬆️
go-1.16-amd64	76.45% <100.00%> (+0.02%)	⬆️
go-1.17-386	76.46% <100.00%> (+0.01%)	⬆️
go-1.17-amd64	76.46% <100.00%> (-0.02%)	⬇️

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Impacted Files	Coverage Δ
text/gstr/gstr_convert.go	95.05% <100.00%> (ø)
os/gfpool/gfpool_file.go	68.57% <0.00%> (+2.85%)	⬆️
os/gcache/gcache_adapter_memory_lru.go	97.82% <0.00%> (+8.69%)	⬆️

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