<Swing Dev> [9] Review Request for 8046445: Fix doclint warnings for javax.swing.plaf.multi

[alexander stepanov]

Hello,

Could you please review the fix for the following bug:
https://bugs.openjdk.java.net/browse/JDK-8046445

Webrev corresponding:
http://cr.openjdk.java.net/~avstepan/8046445/webrev.00/

Just a minor cleanup of javadoc to avoid doclint warnings.

Thanks,
Alexander