Set net manager thread to delete itself on close

* Due to the way Qt works, the owning object acts as if it lives on the thread
  which in this case is running an event loop that tries to delete itself.

qrenderdoc/Windows/MainWindow.cpp

@@ -367,6 +367,7 @@ MainWindow::MainWindow(ICaptureContext &ctx) : QMainWindow(NULL), ui(new Ui::Mai
     delete m_NetWorker;
   });
   m_NetManagerThread->moveObjectToThread(m_NetWorker);
+  m_NetManagerThread->selfDelete(true);
   m_NetManagerThread->start();
   m_NetManagerThread->thread()->setPriority(QThread::LowPriority);
 
@@ -597,7 +598,6 @@ MainWindow::~MainWindow()
 {
   // close the network manager thread
   m_NetManagerThread->thread()->quit();
-  m_NetManagerThread->deleteLater();
 
   m_Ctx.Replay().DisconnectFromRemoteServer();