<Swing Dev> When running with the Nimbus look and feel, the JFileChooser does not display mnemonics for its controls.

[Pavel Porvatov]

Hi Charles,
> Hi guys,
>
> When running with Nimbus LaF, JFileChooser does not display mnemonics 
> for its controls, see FileNameAndTypeNomnemonics.png (attached)
> After patch (attached)
> You will find FileNameAndTypeWithMnemonics.png (attached)
>
I filed CR 7032436 (When running with the Nimbus look and feel, the 
JFileChooser does not display mnemonics) for the described problem

Thanks, Pavel