hg: jdk8/tl/langtools: 7086071: tools/javac/7079713/TestCircularClassfile.java fails on windows

[jim.holmlund at sun.com]

Changeset: a45d78d26450
Author:    jjh
Date:      2011-09-01 14:35 -0700
URL:       http://hg.openjdk.java.net/jdk8/tl/langtools/rev/a45d78d26450

7086071: tools/javac/7079713/TestCircularClassfile.java fails on windows
Summary: delete file before renaming another file to it
Reviewed-by: jjg

! test/tools/javac/7079713/TestCircularClassfile.java