Fix rare single-torrent stall due to obsolete ceaseNetworking call
Fix rare single-torrent stall due to obsolete ceaseNetworking call

Only occurred if you have a data backend that can drop completed pieces, and it happened that you wanted to redownload data that had been dropped after completely downloading the torrent in the past.

dborzov/torrent,oldfaust/torrent,bluepeppers/torrent,anacrolix/torrent,anacrolix/torrent,therewillbecode/torrent