[8u] RFR: 8202076: test/jdk/java/io/File/WinSpecialFiles.java on windows with VS2017

[Alex Kashchenko]

Hi,

Please review the backport of JDK-8202076 to 8u:

Bug: https://bugs.openjdk.java.net/browse/JDK-8202076

Original commit: https://hg.openjdk.java.net/jdk/jdk/rev/7b259287cdd2

8u webrev: https://cr.openjdk.java.net/~akasko/jdk8u/8202076/webrev.00/

Patch has required minor changes: paths, copyright year, "fslash" var
declaration moved to the beginning of the block for C89 compat.
Testing: jtreg:java/io/File/, jck:api/java_io/File/ .

--
-Alex