Fix a couple of crashes. Sync configuration information in SessionManager's destructor and fix problem with scroll optimisation. Not sure about that first one, it shouldn't do any harm, but I don't think it should be necessary either.

svn path=/trunk/KDE/kdebase/apps/konsole/; revision=670398

src/SessionManager.cpp

@@ -166,6 +166,9 @@ SessionManager::~SessionManager()
 
     while (infoIter.hasNext())
         delete infoIter.next();
+
+#warning "This prevents a crash to do with accessing a global static globalData() after destruction, but it is probably not the correct solution."  
+    KGlobal::config()->sync();
 }
 
 const QList<Session*> SessionManager::sessions()