Updating Zlib URL and MD5 to latest version
Updating Zlib URL and MD5 to latest version

To avoid an error in which build_sdk.sh cannot  download Zlib, because a newer version has been created which moved 1.2.8 into http://zlib.net/fossils/
Acidburn0zzz/sdk,Acidburn0zzz/sdk,Acidburn0zzz/sdk,meganz/sdk,meganz/sdk,meganz/sdk,Acidburn0zzz/sdk,meganz/sdk,meganz/sdk,Acidburn0zzz/sdk,Acidburn0zzz/sdk,meganz/sdk,Acidburn0zzz/sdk,meganz/sdk,Acidburn0zzz/sdk