Added fuzzer and oss-fuzz build-script#44

Open

AdamKorcz wants to merge 2 commits intokyz:masterfrom

AdamKorcz:fuzz1

Commits on Feb 1, 2021

Added fuzzer and oss-fuzz build-script
AdamKorcz
committed

Commits on Feb 4, 2023

Changes recommended in https://github.com/kyz/libmspack/pull/44#issuecomment-1166522405
kyz
committed