Bug#904800: libmspack: Fix off-by-one error in chmd TOLOWER() fallback

[Salvatore Bonaccorso]

Source: libmspack
Version: 0.5-1
Severity: important
Tags: patch security upstream

http://www.openwall.com/lists/oss-security/2018/07/26/1

https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8

Regards,
Salvatore