Add Audio Hijack Pro v2.11.4
user
```ruby
cask :v1 => 'audio-hijack-pro' do
  version '2.11.4'
  sha256 '7fd4dc4b08b1b0e72dbf59b47c655840ceb75801d0362c778c436a2532ae239c'

  url "https://rogueamoeba.com/legacy/downloads/AudioHijackPro-#{version.gsub('.','')}.zip"
  name 'Audio Hijack Pro'
  homepage 'http://www.rogueamoeba.com/audiohijackpro/'
  license :commercial

  depends_on :macos => [:lion, :mountain_lion]

  app 'Audio Hijack Pro.app'
end
```
assistant