Cleanup network examples

Cleanup network examples:
 - use nullptr
 - use member-init
 - adjust includes
 - use new-style connects

Change-Id: I80aa230168e5aec88a1bc93bbf49a471bfc30e7b
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 2 insertions, 3 deletions

diff --git a/examples/network/torrent/torrentclient.h b/examples/network/torrent/torrentclient.h
index b9b88b3a07..ad77caa66c 100644
--- a/examples/network/torrent/torrentclient.h
+++ b/examples/network/torrent/torrentclient.h
@@ -58,8 +58,7 @@
 class MetaInfo;
 class PeerWireClient;
 class TorrentClientPrivate;
-class TorrentPeer;
-class TorrentPiece;
+struct TorrentPiece;
 QT_BEGIN_NAMESPACE
 class QTimerEvent;
 QT_END_NAMESPACE
@@ -110,7 +109,7 @@ public:
         ServerError
     };
 
-    TorrentClient(QObject *parent = 0);
+    TorrentClient(QObject *parent = nullptr);
     ~TorrentClient();
 
     bool setTorrent(const QString &fileName);