[9] RFR 8039464: The scrollbar in JScrollPane has no right border if used WindowsLookAndFeel

[sergey malenkov]

Hello,

Could you please review the following fix:
http://cr.openjdk.java.net/~malenkov/8039464.9.0/
http://bugs.openjdk.java.net/browse/JDK-8039464
Seems that native rendering requires minimal size for thumb painting.

Thanks,
SAM