Function HuffmanTree_cleanup

dependency/densecrf/examples/lodepng.cpp:538–543

}

static void HuffmanTree_cleanup(HuffmanTree* tree)
{
    lodepng_free(tree->tree2d);
    lodepng_free(tree->tree1d);
    lodepng_free(tree->lengths);
}

/*the tree representation used by the decoder. return value is error*/
static unsigned HuffmanTree_make2DTree(HuffmanTree* tree)