Statically build and link zlib on appveyor
Statically build and link zlib on appveyor

Cyan4973/zstd,Cyan4973/zstd,Majlen/zstd,Majlen/zstd,Cyan4973/zstd,Cyan4973/zstd,Majlen/zstd,Cyan4973/zstd,Majlen/zstd