Fix memory leak

Change-Id: Ifda897b1dc61a964ef6f4f0fb57b82b08d7a28f3
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/qtsupport/qtversionmanager.cpp

@@ -123,7 +123,7 @@ QtVersionManager *QtVersionManager::m_self = 0;
 
 QtVersionManager::QtVersionManager() :
     m_configFileWatcher(0),
-    m_fileWatcherTimer(new QTimer)
+    m_fileWatcherTimer(new QTimer(this))
 {
     m_self = this;
     m_idcount = 1;