NAME
        DeletePort - free a message port created by createport()

   SYNOPSIS
        DeletePort(port)

        VOID DeletePort(struct msgport *);

   FUNCTION
        Frees a message port created by createport. all messages that
        may have been attached to this port must have already been
        replied before this function is called.

   INPUTS
        port - message port to delete

   SEE ALSO
        createport()