Fix some type mistakes

[codecov[bot]]

Codecov Report

Merging #187 into master will increase coverage by 0.27%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #187      +/-   ##
==========================================
+ Coverage    83.2%   83.47%   +0.27%     
==========================================
  Files         140      140              
  Lines        7019     7019              
==========================================
+ Hits         5840     5859      +19     
+ Misses       1179     1160      -19

Impacted Files	Coverage Δ
src/sink/asynchronous.p.cpp	68.96% <0%> (+1.72%)	:arrow_up:
src/sink/console.cpp	85.33% <0%> (+4%)	:arrow_up:
tests/src/unit/sink/console.cpp	92.3% <0%> (+5.12%)	:arrow_up:
src/termcolor.cpp	91.66% <0%> (+36.11%)	:arrow_up:

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[3Hren]

Thanks!