[7u8] Request for approval for CR 7194472: FileKeyTab.java test fails on Windows

[Weijun Wang]

Hi All

This is a request to backport a jdk8 fix into jdk7u8.

7194472: FileKeyTab.java test fails on Windows

    http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7194472

The recently added test in 
http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/d50a753bf368 does not 
work on Windows, because the path separator "\" is illegal in a JAAS 
conf file, will be changed to "/".

The fix is already included in jdk8 as:

    http://hg.openjdk.java.net/jdk8/tl/jdk/rev/fe496675b5e7
    Reviewed-by: alanb

The patch for jdk7u8 is identical to the one in jdk8.

Thanks
Weijun