[11u] RFR 8190737:use unicode version of the canonicalize() function to handle long path on windows

[Calvin Cheung]

Hi Ralf,

The backport looks good.

thanks,

Calvin

On 10/16/19 3:35 AM, Schmelter, Ralf wrote:
> Hello,
>
> please review this fix. The patch itself applied cleanly, but the LongBCP.java test needed an additional import statement.
>
> Original bugreport: https://bugs.openjdk.java.net/browse/JDK-8190737
> Original change: http://hg.openjdk.java.net/jdk/jdk/rev/9151fde080e6
>
> Webrev of downport: http://cr.openjdk.java.net/~rschmelter/webrevs/8190737/webrev.jdk11u-dev.1/index.html
>
> Best regards,
> Ralf