Got rid of some unwanted warnings and did some cleanup on the launcher

apps/launcher/datafilespage.cpp

@@ -1072,7 +1072,8 @@ void DataFilesPage::writeConfig(QString profile)
             msgBox.setWindowTitle("Error creating OpenMW configuration directory");
             msgBox.setIcon(QMessageBox::Critical);
             msgBox.setStandardButtons(QMessageBox::Ok);
-            msgBox.setText(tr("<br><b>Could not create %0</b><br><br> \Please make sure you have the right permissions and try again.<br>").arg(pathStr));
+            msgBox.setText(tr("<br><b>Could not create %0</b><br><br> \
+                              Please make sure you have the right permissions and try again.<br>").arg(pathStr));
             msgBox.exec();
 
             qApp->exit(1);

apps/launcher/filedialog.cpp

@@ -28,7 +28,7 @@ QString FileDialog::getExistingDirectory(QWidget *parent,
     // create a non-native file dialog
     FileDialog dialog;
     dialog.setFileMode(DirectoryOnly);
-    dialog.setOptions(options & DontUseNativeDialog | ShowDirsOnly);
+    dialog.setOptions(options & (DontUseNativeDialog | ShowDirsOnly));
 
     if (!caption.isEmpty())
         dialog.setWindowTitle(caption);

apps/launcher/filedialog.hpp

@@ -5,45 +5,23 @@
 
 class QPushButton;
 
-struct FileDialogArgs
-{
-    FileDialogArgs() : parent(0), mode(QFileDialog::AnyFile) {}
-    QWidget *parent;
-    QString caption;
-    QString directory;
-    QString selection;
-    QString filter;
-    QFileDialog::FileMode mode;
-    QFileDialog::Options options;
-
-};
-
 class FileDialog : public QFileDialog
 {
     Q_OBJECT
 
 public:
     FileDialog(QWidget *parent = 0);
-//    FileDialog(QWidget *parent, Qt::WindowFlags f);
 
-    //QString getExistingDirectory();
     static QString getExistingDirectory(QWidget *parent = 0,
                                             const QString &caption = QString(),
                                             const QString &dir = QString(),
                                             Options options = ShowDirsOnly);
-    //FileDialog mDirectoryDialog;
-
-    bool initialized;
-protected:
 
 private slots:
-//    void updateOkButton(const QString &text);
     void updateChooseButton(const QString &directory);
-    //void
 
 private:
     QPushButton *mChooseButton;
-    //QFileDialog *mDirectoryDialog;
 };