Sort Documentation pane list in alphabetical order. This relates to bug 1859.

diff --git a/parts/documentation/contentsview.cpp b/parts/documentation/contentsview.cpp
index 532feef..36c1fcb 100644
--- a/parts/documentation/contentsview.cpp
+++ b/parts/documentation/contentsview.cpp
@@ -44,8 +44,8 @@
     m_view->header()->hide();
     m_view->setResizeMode(TQListView::AllColumns);
     m_view->setRootIsDecorated(true);
-    m_view->setSorting(-1);
-    m_view->setAllColumnsShowFocus( true );
+    m_view->setSorting(0);
+    m_view->setAllColumnsShowFocus(true);
 
     connect(m_view, TQT_SIGNAL(executed(TQListViewItem*, const TQPoint&, int )),
         this, TQT_SLOT(itemExecuted(TQListViewItem*, const TQPoint&, int )));