QmlJS: Setup QmlEnumValues even if enum is non-local.

Change-Id: Ib7a3621c14b6dfbdf36c75abac282c08f47e55ca
Reviewed-on: http://codereview.qt.nokia.com/559
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

src/libs/languageutils/fakemetaobject.cpp

@@ -41,6 +41,9 @@ FakeMetaEnum::FakeMetaEnum(const QString &name)
     : m_name(name)
 {}
 
+bool FakeMetaEnum::isValid() const
+{ return !m_name.isEmpty(); }
+
 QString FakeMetaEnum::name() const
 { return m_name; }