QMessageBox with QWindowsStyle() crashes when there is a blank line in the test

#include <QMessageBox> 
#include <QApplication> 
#include <QWindowsStyle> 

int main(int argc, char ** argv) 
{ 
QApplication app(argc, argv); 
app.setStyle(new QWindowsStyle); 

QString myText; 
const bool makeQtCrash = true; 
if (makeQtCrash) myText = "Audio will be muted and\n\nall control points reset."; 
else myText = "Audio will be muted and all control points reset."; 

(void) QMessageBox::warning(NULL, "Scribble", myText, QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel); 
return 0; 
}