Don't put finished torrents in seed_mode.

Seed mode has special function in libtorrent. It is used to skip hash checking when adding a torrent and consider it complete.

src/core/bittorrent/session.cpp

@@ -1088,7 +1088,7 @@ bool Session::addTorrent_impl(const AddTorrentData &addData, const MagnetUri &ma
 
     // Seeding mode
     // Skip checking and directly start seeding (new in libtorrent v0.15)
-    if (addData.hasSeedStatus)
+    if (addData.skipChecking)
         p.flags |= libt::add_torrent_params::flag_seed_mode;
     else
         p.flags &= ~libt::add_torrent_params::flag_seed_mode;
@@ -2363,6 +2363,7 @@ bool loadTorrentResumeData(const QByteArray &data, AddTorrentData &out, MagnetUr
 {
     out = AddTorrentData();
     out.resumed = true;
+    out.skipChecking = false;
 
     libt::lazy_entry fast;
     libt::error_code ec;

src/core/bittorrent/torrenthandle.cpp

@@ -133,7 +133,8 @@ AddTorrentData::AddTorrentData(const AddTorrentParams &in)
     , savePath(in.savePath)
     , disableTempPath(in.disableTempPath)
     , sequential(in.sequential)
-    , hasSeedStatus(in.skipChecking)
+    , hasSeedStatus(false)
+    , skipChecking(in.skipChecking)
     , addForced(in.addForced)
     , addPaused(in.addPaused)
     , filePriorities(in.filePriorities)

src/core/bittorrent/torrenthandle.h

@@ -90,6 +90,7 @@ namespace BitTorrent
         bool disableTempPath;
         bool sequential;
         bool hasSeedStatus;
+        bool skipChecking;
         TriStateBool addForced;
         TriStateBool addPaused;
         // for new torrents