Compile fix with recent Qt dev

The reasoning in 1b4766e26c did not take into account that the scope
of QT_NO_JAVA_STYLE_ITERATORS may change over time, as done with
f70905448f6 in Qt base.

Change-Id: Ib1966ff26c4d36d5f62e149d6b45baa4aecf825d
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/macros/macroevent.cpp

@@ -76,11 +76,8 @@ void MacroEvent::save(QDataStream &stream) const
 {
     stream << m_id.name();
     stream << m_values.count();
-    QMapIterator<quint8, QVariant> i(m_values);
-    while (i.hasNext()) {
-        i.next();
+    for (auto i = m_values.cbegin(), end = m_values.cend(); i != end; ++i)
         stream << i.key() << i.value();
-    }
 }
 
 Core::Id MacroEvent::id() const