Do not use QWeakPointer to track QObjects.

This use case is deprecated in Qt 5. Use QPointer instead.

Change-Id: Id6c32542032656d7cb31cf838d93a680ab9e9327
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/valgrind/xmlprotocol/threadedparser.cpp

@@ -41,7 +41,7 @@
 #include <QIODevice>
 #include <QMetaType>
 #include <QThread>
-#include <QSharedPointer>
+#include <QPointer>
 
 namespace {
 
@@ -76,7 +76,7 @@ public:
     Private()
     {}
 
-    QWeakPointer<Thread> parserThread;
+    QPointer<Thread> parserThread;
     QString errorString;
 };