Fix for OSX Sierra bug (#39)

[jensmeder]

No description provided.

[codecov-io]

Codecov Report

Merging #40 into master will not change coverage.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##           master      #40   +/-   ##
=======================================
  Coverage   75.86%   75.86%           
=======================================
  Files          43       43           
  Lines         924      924           
  Branches       45       45           
=======================================
  Hits          701      701           
  Misses        197      197           
  Partials       26       26

Impacted Files	Coverage Δ
Source/Sockets/JMPathSocket.m	83.33% <100%> (ø)	⬆️
Source/USB/USBMux/JMUSBMuxEncoder.m	69.56% <50%> (ø)	⬆️

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