OSV-2022-381 Heap-buffer-overflow in lwan_h2_huffman_decode_for_fuzzing

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46990 Crash type: Heap-buffer-overflow READ 8 Crash state: lwanh2huffmandecodeforfuzzing h2huffmanfuzzer.cc...