Description: prevent bad-ptrs deref in QNetworkConfigurationManagerPrivate
Origin: upstream, http://code.qt.io/cgit/qt/qtbase.git/commit/?id=3f0f707d4b898a96
Bug: https://bugs.debian.org/805265
Last-Update: 2015-11-16

--- a/src/network/bearer/qnetworkconfigmanager_p.cpp
+++ b/src/network/bearer/qnetworkconfigmanager_p.cpp
@@ -83,6 +83,7 @@
     QMutexLocker locker(&mutex);
 
     qDeleteAll(sessionEngines);
+    sessionEngines.clear();
     if (bearerThread)
         bearerThread->quit();
 }