Bazaar: save settings on plugin destruction

Change-Id: I94d5c1f1944b51a284e41ad9be0168f3edc99292
Merge-request: 345
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>
Reviewed-on: http://codereview.qt.nokia.com/462


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>

src/plugins/bazaar/bazaarplugin.cpp

@@ -136,6 +136,7 @@ BazaarPlugin::BazaarPlugin() :
 
 BazaarPlugin::~BazaarPlugin()
 {
+    m_bazaarSettings.writeSettings(m_core->settings(), Constants::BAZAAR);
     if (m_client) {
         delete m_client;
         m_client = 0;