Drag'n'Drop: GroupView now prevents parent items from being moved into their own child items.

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@18 b624d157-de02-0410-bad0-e51aec6abb33

src/lib/GroupView.h

@@ -43,6 +43,7 @@ protected:
 private:
  QPoint DragStartPos;
  QPixmap DragPixmap;
+ GroupViewItem* DragItem;
  GroupViewItem* LastHoverItem;
  GroupViewItem* getLastSameLevelItem(int level);
 };