[patch]: mc.ext updates (xz, libreoffice)

[Matias A. Fonzo]

Hi there,

> .xz patch was recently accepted for upcoming 4.8.4 (thanks!)
>   https://www.midnight-commander.org/ticket/2798

For when the patch[1] for lzip[2]?.

References:
[1] https://www.midnight-commander.org/ticket/2673
[2] http://lzip.nongnu.org/lzip.html