hg: openjfx/9-dev/rt: 8144922: [packager] intermittent test failures

[dmitry.cherepanov at oracle.com]

Changeset: ad59de5d24ec
Author:    dcherepanov
Date:      2015-12-08 10:58 -0500
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/ad59de5d24ec

8144922: [packager] intermittent test failures
Reviewed-by: cbensen

! modules/fxpackager/src/main/java/com/oracle/tools/packager/IOUtils.java
! modules/fxpackager/src/main/java/com/oracle/tools/packager/windows/WinAppBundler.java