Patch for MetalScrollBarUI.java

[theUser BL]

> Looks like this is swing related, change request to Swing code should be
> directed to the swing-dev alias.
 
Thanks for your reply. I have now done so:
http://mail.openjdk.java.net/pipermail/swing-dev/2014-June/003601.html
 
 
> Also, I think you will have higher chances of being reviewed if you post
> a patch (or better a webrev) with the description of what it does and
> why is needed, rather than long snipped of code.
 
I have added a picture:
http://s1.directupload.net/images/140620/2y7jlt6z.png
 
Greatings
theuserbl