xstat: FSTime.from_stat_time() was completely wrong.
xstat: FSTime.from_stat_time() was completely wrong.

Signed-off-by: Avery Pennarun <e03ccfb89d416c4697ad6970ce86a92c1c28a78e@gmail.com>

ToxicFrog/bup,tjanez/bup,tjanez/bup,ToxicFrog/bup,gevaerts/bup,gevaerts/bup,apenwarr/bup,jbaber/bup,jbaber/bup,mhoeher/bup,tjanez/bup,mhoeher/bup,mhoeher/bup,tjanez/bup,tjanez/bup,tjanez/bup,jbaber/bup,ToxicFrog/bup,jbaber/bup,pombredanne/bup,pombredanne/bup,pombredanne/bup,gevaerts/bup,apenwarr/bup,jbaber/bup,pombredanne/bup,mhoeher/bup,ToxicFrog/bup,mhoeher/bup,pombredanne/bup,gevaerts/bup,ToxicFrog/bup,jbaber/bup,apenwarr/bup,pombredanne/bup,apenwarr/bup,gevaerts/bup,mhoeher/bup