NAME
        FreeMiscResource - make a resource available for reallocation

   SYNOPSIS
        FreeMiscResource( unitNum )
                          D0

        void FreeMiscResource(ULONG);

   FUNCTION
        This routine frees one of the resources allocated
        by allocmiscresource.  the resource is made available
        for reuse.

        FreeMiscResource must be called from the same task that
        called allocmiscresource.  this function may not be called from
        interrupt code.

    INPUTS
        unitNum - the number of the miscellaneous resource to be freed.

    RESULTS
        Frees the appropriate resource.

    BUGS

    SEE ALSO
        resources/misc.i, allocmiscresource()