Item "Shared Documents" placed between items "c:" and "d:".

Steps to reproduce:
1. Launch JFileChooser demo
2. In select Windows L/F
3. Click Show FileChooser button.
4. Drop down combobox with drives

Observe, that "Shared Documents" placed between "c:" and "d:", but in native windows when same scenario is repeated "Shared Documents" placed after last drive.