[9] Review Request for 8133803: Swing JFileChooserBug2 test fais with MotifLookAndFeel

[Semyon Sadetsky]

Hello,

Please review fix for JDK9:
bug: https://bugs.openjdk.java.net/browse/JDK-8133803
webrev: http://cr.openjdk.java.net/~ssadetsky/8133803/webrev.00/

The width of the file selection text field was not limited under Motif L&F.

--Semyon