Remember "display speed in title bar" on restart (closes #605134)

src/GUI.cpp

@@ -80,10 +80,11 @@ using namespace libtorrent;
  *****************************************************/
 
 // Constructor
-GUI::GUI(QWidget *parent, QStringList torrentCmdLine) : QMainWindow(parent), displaySpeedInTitle(false), force_exit(false) {
+GUI::GUI(QWidget *parent, QStringList torrentCmdLine) : QMainWindow(parent), force_exit(false) {
   setupUi(this);
 
   setWindowTitle(tr("qBittorrent %1", "e.g: qBittorrent v0.x").arg(QString::fromUtf8(VERSION)));
+  displaySpeedInTitle = Preferences::speedInTitleBar();
   // Setting icons
   this->setWindowIcon(QIcon(QString::fromUtf8(":/Icons/skin/qbittorrent32.png")));
   actionOpen->setIcon(QIcon(QString::fromUtf8(":/Icons/skin/open.png")));