hg: jdk9/dev/langtools: 8042830: A recently added Xprefer test fails on Windows

[andreas.lundblad at oracle.com]

Changeset: c2d589333410
Author:    alundblad
Date:      2014-06-12 14:29 +0200
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/c2d589333410

8042830: A recently added Xprefer test fails on Windows
Summary: Test now accepts both / and \ as file separator.
Reviewed-by: mcimadamore

! test/tools/javac/options/xprefer/XPreferTest.java