Add missing extra new line when formatting

[antham]

Fix #1

[codecov-io]

Codecov Report

Merging #2 into master will not change coverage.
The diff coverage is 50%.

@@           Coverage Diff           @@
##           master       #2   +/-   ##
=======================================
  Coverage   88.74%   88.74%           
=======================================
  Files           9        9           
  Lines         382      382           
=======================================
  Hits          339      339           
  Misses         29       29           
  Partials       14       14

Impacted Files	Coverage Δ
ghokin/transformer.go	93.88% <0%> (ø)	⬆️
cmd/fmt_stdout.go	100% <100%> (ø)	⬆️

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