GUI l10n fixes

* Add @title:window helpers

src/chatdlg.cpp

@@ -29,7 +29,7 @@
 ChatDlg::ChatDlg(KGame *game,QWidget *parent)
        : QDialog(parent),mChat(), mChatDlg()
 {
-  setWindowTitle(i18n("Chat Dlg"));
+  setWindowTitle(i18nc("@title:window", "Chat Dlg"));
   QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
   QVBoxLayout *mainLayout = new QVBoxLayout;
   setLayout(mainLayout);

src/kchatdialog.cpp

@@ -77,7 +77,7 @@ void KChatDialog::init()
  d->mTextPage = new QFrame( this );
  QGridLayout* layout = new QGridLayout(d->mTextPage);
 
- setWindowTitle(i18n("Configure Chat"));
+ setWindowTitle(i18nc("@title:window", "Configure Chat"));
  buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel|QDialogButtonBox::Apply);
  QWidget *mainWidget = new QWidget(this);
  setLayout(layout);

src/kgamedebugdialog.cpp

@@ -116,7 +116,7 @@ KGameDebugDialog::KGameDebugDialog(KGame* g, QWidget* parent, bool modal)
     : KPageDialog(parent),
       d( new KGameDebugDialogPrivate )
 {
- setWindowTitle(i18n("KGame Debug Dialog"));
+ setWindowTitle(i18nc("@title:window", "KGame Debug Dialog"));
  //QT5 setButtons(Close);
  //QT5 setDefaultButton(Close);
  setModal(modal);