NAME
        ThinLayerInfo -- convert 1.1 LayerInfo to 1.0 LayerInfo.
        OBSOLETE OBSOLETE OBSOLETE OBSOLETE OBSOLETE

    SYNOPSIS
        OBSOLETE OBSOLETE OBSOLETE OBSOLETE OBSOLETE
        ThinLayerInfo( li )
                       a0

        void ThinLayerInfo( struct layer_info *);
        OBSOLETE OBSOLETE OBSOLETE OBSOLETE OBSOLETE

    FUNCTION
        return the extra memory needed that was allocated with
        fattenlayerinfo. this is must be done prior to freeing
        the layer_info structure itself. v1.1 software should be
        using disposelayerinfo.

    INPUTS
        li - pointer to LayerInfo structure

    BUGS

    SEE ALSO
        disposelayerinfo(), fattenlayerinfo(), graphics/layers.h