close-button fix ONLY for macosx

src/gui/qt/newlocalgamedialog/newgamedialogimpl.cpp

@@ -24,8 +24,10 @@
 newGameDialogImpl::newGameDialogImpl(QMainWindow *parent, ConfigFile *c)
       : QDialog(parent), myConfig(c)
 {
+#ifdef __APPLE__
 	setWindowModality(Qt::ApplicationModal);
 	setWindowFlags(Qt::WindowSystemMenuHint | Qt::CustomizeWindowHint | Qt::Dialog);
+#endif	
     	setupUi(this);
 	
 	myChangeCompleteBlindsDialog = new changeCompleteBlindsDialogImpl;