Fixes memory leak

[Jimmy062006]

Fixes Issue #10

[codecov]

Codecov Report

Merging #11 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master      #11   +/-   ##
=======================================
  Coverage   48.86%   48.86%           
=======================================
  Files          17       17           
  Lines         661      661           
  Branches       55       55           
=======================================
  Hits          323      323           
  Misses        327      327           
  Partials       11       11

Impacted Files	Coverage Δ
...rc/NETStandard.HttpListener/HttpListenerRequest.cs	90.47% <100%> (ø)	⬆️

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