Bring mainwindow in front when notification is clicked and other windows are in front.

src/mainwindow.cpp

@@ -527,12 +527,12 @@ void MainWindow::balloonClicked() {
         return;
     }
     show();
-    if (isMinimized()) {
+    if (isMinimized())
       showNormal();
   }
+
   raise();
   activateWindow();
-  }
 }
 
 // called when a torrent has finished