C++: set the objectName of QTimers.

This will hopefully help a bit in resolving the crashes that happen in
QCoreApplication::notifyInternal.

Change-Id: Ib3aa8c1a1f50778bd89938d7c529d8399ccf91ea
Task-number: QTCREATORBUG-11262
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/cpptools/cppmodelmanager.cpp

@@ -232,6 +232,7 @@ CppModelManager::CppModelManager(QObject *parent)
     m_dirty = true;
 
     m_delayedGcTimer = new QTimer(this);
+    m_delayedGcTimer->setObjectName(QLatin1String("CppModelManager::m_delayedGcTimer"));
     m_delayedGcTimer->setSingleShot(true);
     connect(m_delayedGcTimer, SIGNAL(timeout()), this, SLOT(GC()));