Fix thread/thread_unix.odin to use the new `switch` conventions
Fix thread/thread_unix.odin to use the new `switch` conventions

gingerBill/Odin,ThisDrunkDane/Odin,gingerBill/Odin,gingerBill/Odin,ThisDrunkDane/Odin,ThisDrunkDane/Odin,gingerBill/Odin