fix fmt lint failure

[tshepang]

No description provided.

[codecov]

Codecov Report

Merging #19 into master will increase coverage by 1.34%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #19      +/-   ##
==========================================
+ Coverage   36.03%   37.38%   +1.34%     
==========================================
  Files           5        5              
  Lines         111      107       -4     
==========================================
  Hits           40       40              
+ Misses         71       67       -4     

Impacted Files	Coverage Δ
src/imp/cryptoapi.rs	0.00% <ø> (ø)

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[malept]

This is fine, but my intention to fix it was to add some sort of GitHub Action to automatically fix rustfmt changes as they appear in master.