qdoc: mark Location::StackEntry as movable and Location as complex

Location is self-referential, so explicitly mark it as Q_COMPLEX_TYPE.
Location::StackEntry is held in QVector, by way of QStack.

Change-Id: I4d9001b55b86f0387ae41b93da17d06fb2857ee4
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Reviewed-by: Martin Smith <martin.smith@digia.com>

src/tools/qdoc/location.h

@@ -105,6 +105,7 @@ private:
         int lineNo;
         int columnNo;
     };
+    friend class QTypeInfo<StackEntry>;
 
     void emitMessage(MessageType type,
                      const QString& message,
@@ -124,6 +125,8 @@ private:
     static QRegExp *spuriousRegExp;
     static bool logProgress_;
 };
+Q_DECLARE_TYPEINFO(Location::StackEntry, Q_MOVABLE_TYPE);
+Q_DECLARE_TYPEINFO(Location, Q_COMPLEX_TYPE); // stkTop = &stkBottom
 
 QT_END_NAMESPACE