Create hedgewars.ini if not exists manually,
as QSettings uses QTemporaryFile for that, and
QTemporaryFile doesn't respect custom file
engines.
#include <QtGui/QApplication>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}