i18n: make the win client translation ready

Issue: #80359
Change-Id: I87f674050c1345dd75699505b5ea57a4de5a4961
diff --git a/mainbar.cpp b/mainbar.cpp
index 46351d8..45f4973 100644
--- a/mainbar.cpp
+++ b/mainbar.cpp
@@ -29,11 +29,11 @@
 {
     ui->setupUi(this);
 
-    auto aboutAction = new QAction("About", this);
+    auto aboutAction = new QAction(tr("About"), this);
     menu_->addAction(aboutAction);
     connect(aboutAction, SIGNAL(triggered()), this, SLOT(showAboutDialog()));
 
-    auto exitAction = new QAction("Exit", this);
+    auto exitAction = new QAction(tr("Exit"), this);
     menu_->addAction(exitAction);
     connect(exitAction, SIGNAL(triggered()), this, SLOT(on_exitButton_clicked()));