NAME
    DeleteStdIO - return memory allocated for IOStdReq
SYNOPSIS
    DeleteStdIO(ioReq);
    VOID DeleteStdIO(struct IOStdReq *);
FUNCTION
    Frees up an IOStdReq as allocated by CreateStdIO().
INPUTS
    ioReq - the IORequest block to be freed, or NULL.
SEE ALSO
    CreateStdIO(), DeleteExtIO(), exec.library/CreateIORequest()