MapViewer example crashes on exit

The example crashes on exit with this backtrace:

1 QGeoMapType::mapId qgeomaptype.cpp 102 0x3c6fb7ef
2 QGeoFileTileCacheOsm::~QGeoFileTileCacheOsm qgeofiletilecacheosm.cpp 68 0x4a07fc75
3 QGeoFileTileCacheOsm::~QGeoFileTileCacheOsm qgeofiletilecacheosm.cpp 69 0x4a07fd55
4 QObjectPrivate::deleteChildren qobject.cpp 1970 0xc920e8
5 QObject::~QObject qobject.cpp 1041 0xc909ac
6 QGeoMappingManagerEngine::~QGeoMappingManagerEngine qgeomappingmanagerengine.cpp 70 0x3c6f952f
7 QGeoTiledMappingManagerEngine::~QGeoTiledMappingManagerEngine qgeotiledmappingmanagerengine.cpp 63 0x3c6f9ae5
8 QGeoTiledMappingManagerEngineOsm::~QGeoTiledMappingManagerEngineOsm qgeotiledmappingmanagerengineosm.cpp 312 0x4a075b33
9 QGeoTiledMappingManagerEngineOsm::~QGeoTiledMappingManagerEngineOsm qgeotiledmappingmanagerengineosm.cpp 314 0x4a075b65
10 QGeoMappingManagerPrivate::~QGeoMappingManagerPrivate qgeomappingmanager.cpp 192 0x3c6f922b
11 QGeoMappingManager::~QGeoMappingManager qgeomappingmanager.cpp 97 0x3c6f8ff5
12 QGeoMappingManager::~QGeoMappingManager qgeomappingmanager.cpp 98 0x3c6f9047
13 QGeoServiceProviderPrivate::~QGeoServiceProviderPrivate qgeoserviceprovider.cpp 601 0x3c6feeba
14 QGeoServiceProvider::~QGeoServiceProvider qgeoserviceprovider.cpp 256 0x3c6fe81b
15 QGeoServiceProvider::~QGeoServiceProvider qgeoserviceprovider.cpp 257 0x3c6fe86d
16 QDeclarativeGeoServiceProvider::~QDeclarativeGeoServiceProvider qdeclarativegeoserviceprovider.cpp 98 0x39c33856
17 QQmlPrivate::QQmlElement<QDeclarativeGeoServiceProvider>::~QQmlElement qqmlprivate.h 104 0x39ca368d
18 QQmlPrivate::QQmlElement<QDeclarativeGeoServiceProvider>::~QQmlElement qqmlprivate.h 104 0x39ca3643
19 QObjectPrivate::deleteChildren qobject.cpp 1970 0xc920e8
20 QObject::~QObject qobject.cpp 1041 0xc909ac
... <More>