Added an extra check to MLU bounds

Thanks to Ibrahim el-sayed for spotting the bug
cmsBool  Read16bitTables(cmsContext ContextID, cmsIOHANDLER* io, cmsPipeline* lut, int nChannels, int nEntries)
{
    int i;
    cmsToneCurve* Tables[cmsMAXCHANNELS];

    if (nEntries <= 0) return TRUE;

    if (nEntries < 2) return FALSE;
    if (nChannels > cmsMAXCHANNELS) return FALSE;

    memset(Tables, 0, sizeof(Tables));

    for (i=0; i < nChannels; i++) {

        Tables[i] = cmsBuildTabulatedToneCurve16(ContextID, nEntries, NULL);
        if (Tables[i] == NULL) goto Error;

        if (!_cmsReadUInt16Array(io, nEntries, Tables[i]->Table16)) goto Error;
    }


    if (!cmsPipelineInsertStage(lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, nChannels, Tables)))
        goto Error;

    for (i=0; i < nChannels; i++)
        cmsFreeToneCurve(Tables[i]);

    return TRUE;

Error:
    for (i=0; i < nChannels; i++) {
        if (Tables[i]) cmsFreeToneCurve(Tables[i]);
    }

    return FALSE;
}

cmsBool  Read16bitTables(cmsContext ContextID, cmsIOHANDLER* io, cmsPipeline* lut, int nChannels, int nEntries)
{
    int i;
    cmsToneCurve* Tables[cmsMAXCHANNELS];

    if (nEntries <= 0) return TRUE;

    if (nEntries < 2) return FALSE;
    if (nChannels > cmsMAXCHANNELS) return FALSE;

    memset(Tables, 0, sizeof(Tables));

    for (i=0; i < nChannels; i++) {

        Tables[i] = cmsBuildTabulatedToneCurve16(ContextID, nEntries, NULL);
        if (Tables[i] == NULL) goto Error;

        if (!_cmsReadUInt16Array(io, nEntries, Tables[i]->Table16)) goto Error;
    }


    if (!cmsPipelineInsertStage(lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, nChannels, Tables)))
        goto Error;

    for (i=0; i < nChannels; i++)
        cmsFreeToneCurve(Tables[i]);

    return TRUE;

Error:
    for (i=0; i < nChannels; i++) {
        if (Tables[i]) cmsFreeToneCurve(Tables[i]);
    }

    return FALSE;
}
