The packaging is ready and available at: https://salsa.debian.org/go-team/packages/golang-github-remyoudompheng-go-liblzma
I've reviewed it and it looks good to me, except one detail: The debian/copyright says year 2011 while the upstream files declares 2011-2012. Since I'm not sure the ftp-masters will overlook this detail I've asked Lluis to fix that before I upload his package. (If anyone else wants to go ahead and sponsor him, please feel free.) Regards, Andreas Henriksson