NAME
        DeleteIORequest() - Free a request made by createiorequest()  (v36)

   SYNOPSIS
        DeleteIORequest( ioReq );
                         a0

        void DeleteIORequest(struct iorequest *);

   FUNCTION
        Frees up an IO request as allocated by createiorequest().

   INPUTS
        ioReq - A pointer to the iorequest block to be freed, or null.
                This function uses the mn_Length field to determine how
                much memory to free.

   SEE ALSO
        createiorequest(), amiga.lib/deleteextio()