Update mullvadvpn-beta from 2019.9-beta1 to 2019.10-beta2 (#8287)
Update mullvadvpn-beta from 2019.9-beta1 to 2019.10-beta2 (#8287)


rogeriopradoj/homebrew-versions,mahori/homebrew-cask-versions,404NetworkError/homebrew-versions,lantrix/homebrew-versions,pkq/homebrew-versions,rogeriopradoj/homebrew-versions,404NetworkError/homebrew-versions,lantrix/homebrew-versions,caskroom/homebrew-versions,pkq/homebrew-versions,caskroom/homebrew-versions