Fix phantomjs-prebuilt binary

[styfle]

Fixes #44

[codecov-io]

Codecov Report

Merging #46 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #46      +/-   ##
==========================================
+ Coverage   89.94%   89.96%   +0.02%     
==========================================
  Files          10       10              
  Lines         975      977       +2     
==========================================
+ Hits          877      879       +2     
  Misses         98       98

Impacted Files	Coverage Δ
src/utils/special-cases.js	95.31% <100%> (+0.15%)	⬆️

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