Ensure that a session manager is created even if there are now windows

(cherry picked from commit c27de8b6)

src/konqapplication.cpp

@@ -186,6 +186,9 @@ int KonquerorApplication::startFirstInstance()
 
     QString programName = QApplication::applicationFilePath();
 
+    //Ensure a session manager is created
+    KonqSessionManager::self();
+
     const int ret = exec();
 
     bool alwaysPreload = KonqSettings::alwaysHavePreloaded();

src/konqmainwindow.cpp

@@ -303,7 +303,6 @@ KonqMainWindow::KonqMainWindow(const QUrl &initialURL)
 
     //qCDebug(KONQUEROR_LOG) << this << "created";
 
-    KonqSessionManager::self();
     m_fullyConstructed = true;
 }
 

src/konqsessionmanager.cpp

@@ -363,8 +363,7 @@ KonqSessionManager::KonqSessionManager()
     const int interval = KonqSettings::autoSaveInterval();
     if (interval > 0) {
         m_autoSaveTimer.setInterval(interval * 1000);
-        connect(&m_autoSaveTimer, SIGNAL(timeout()), this,
-                SLOT(autoSaveSession()));
+        connect(&m_autoSaveTimer, &QTimer::timeout, this, &KonqSessionManager::autoSaveSession);
     }
     enableAutosave();