Fixed 'E32USER-CBase 69' panic when destroying QNetworkConfigurationManager on s60 TB 9.2 and TB 10.1.
Fixed 'E32USER-CBase 69' panic when destroying QNetworkConfigurationManager
on s60 TB 9.2 and TB 10.1.

Jira issue: MOBILITY-511

qtproject/qt-mobility,kaltsi/qt-mobility,enthought/qt-mobility,qtproject/qt-mobility,KDE/android-qt-mobility,enthought/qt-mobility,enthought/qt-mobility,tmcguire/qt-mobility,qtproject/qt-mobility,kaltsi/qt-mobility,enthought/qt-mobility,KDE/android-qt-mobility,tmcguire/qt-mobility,kaltsi/qt-mobility,qtproject/qt-mobility,KDE/android-qt-mobility,kaltsi/qt-mobility,enthought/qt-mobility,tmcguire/qt-mobility,enthought/qt-mobility,qtproject/qt-mobility,tmcguire/qt-mobility,tmcguire/qt-mobility,kaltsi/qt-mobility,kaltsi/qt-mobility,qtproject/qt-mobility,KDE/android-qt-mobility