hg: jdk/client: 8247753: UIManager.getSytemLookAndFeelClassName() returns wrong value on Fedora 32

[pankaj.b.bansal at oracle.com]

Changeset: 97a5fd3612ef
Author:    pbansal
Date:      2020-08-09 14:30 +0530
URL:       https://hg.openjdk.java.net/jdk/client/rev/97a5fd3612ef

8247753: UIManager.getSytemLookAndFeelClassName() returns wrong value on Fedora 32
Reviewed-by: prr, psadhukhan

! src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java
! test/jdk/javax/swing/LookAndFeel/SystemLookAndFeel/SystemLookAndFeelTest.java