ClearHuffmanTreeIfOnlyOneSymbol  337 3rdparty/libwebp/enc/vp8l.c   ClearHuffmanTreeIfOnlyOneSymbol(&huffman_code);
ClearHuffmanTreeIfOnlyOneSymbol  505 3rdparty/libwebp/enc/vp8l.c     ClearHuffmanTreeIfOnlyOneSymbol(codes);
ClearHuffmanTreeIfOnlyOneSymbol  614 3rdparty/libwebp/enc/vp8l.c       ClearHuffmanTreeIfOnlyOneSymbol(codes);