1.5.8+4

• limit the update-check.cgi to parse for cmd=download and not parse arbitrary query string options.

Full Changelog: 1.5.8+3...1.5.8+4
_{981ced3a7befdd270b3ee403da7a7137dd91e97b4d698d48c7b4c1877d46993f mosquitto-1.5.8+4.tar.gz}