cmake: Remove core-lint flag for haskell
Restore different optimization level for release and debug.
Finally remember "<unC0Rr> never check ghc sanity!"
#include <QApplication>
#include "mainform.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MyWindow *mainWin = new MyWindow;
mainWin->show();
return app.exec();
}