fix  LinuxMain.swift (#8)
fix  LinuxMain.swift (#8)

* update .gitignore

* Support Linux on Swift Package Manager

* fix as https://github.com/attaswift/SipHash/pull/6#issuecomment-395705525

* fix as https://github.com/attaswift/SipHash/pull/6#issuecomment-395705525

* fix as https://github.com/attaswift/SipHash/pull/6#issuecomment-395705525

* fix LinuxMain.swift

lorentey/SipHash,lorentey/SipHash,lorentey/SipHash