hg: openjfx/13-dev/rt: 8229328: [windows] PlatformFileHandle type should be JGObject rather than void *

[guru.hb at oracle.com]

Changeset: dde636c6219c
Author:    ghb
Date:      2019-08-09 19:15 +0530
URL:       https://hg.openjdk.java.net/openjfx/13-dev/rt/rev/dde636c6219c

8229328: [windows] PlatformFileHandle type should be JGObject rather than void *
Reviewed-by: kcr, arajkumar

! modules/javafx.web/src/main/native/Source/WTF/wtf/FileSystem.h