Add q pointer to QDeclarativeNavigatorPrivate

Since QDeclarativeNavigatorPrivate is what gets passed to the engine,
a QParameterizableObject *q becomes necessary in order to extract
and connect the QGeoMapParameters in the engines.

Change-Id: Id4a8a99f2287faab9c7e67e5355e9c90c33eaa8f
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

src/location/labs/qdeclarativenavigator.cpp

@@ -160,9 +160,14 @@ QT_BEGIN_NAMESPACE
     has been reached.
 */
 
+QDeclarativeNavigatorPrivate::QDeclarativeNavigatorPrivate(QParameterizableObject *q_)
+    : q(q_)
+{
+}
+
 
 QDeclarativeNavigator::QDeclarativeNavigator(QObject *parent)
-    : QParameterizableObject(parent), d_ptr(new QDeclarativeNavigatorPrivate)
+    : QParameterizableObject(parent), d_ptr(new QDeclarativeNavigatorPrivate(this))
 {
 }
 

src/location/labs/qdeclarativenavigator_p_p.h

@@ -60,10 +60,14 @@ class QDeclarativeGeoRoute;
 class QDeclarativePositionSource;
 class QGeoMapParameter;
 class QDeclarativeGeoRouteSegment;
+class QParameterizableObject;
 
 class Q_LOCATION_PRIVATE_EXPORT QDeclarativeNavigatorPrivate
 {
 public:
+    QDeclarativeNavigatorPrivate(QParameterizableObject *q_);
+
+    QParameterizableObject *q = nullptr;
     QNavigationManager *m_navigationManager = nullptr;
     QDeclarativeGeoServiceProvider *m_plugin = nullptr;
     QDeclarativeGeoMap *m_map = nullptr;