// We don't want to keep the window in memory if it is closed.
setAttribute(Qt::WA_DeleteOnClose, true);
-#if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
+#if !(defined(Q_OS_WIN) || defined(Q_CYGWIN_WIN)) && !defined(Q_WS_MACX)
// QIcon::fromTheme was introduced in Qt 4.6
#if (QT_VERSION >= 0x040600)
// assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,