hg: jdk-updates/jdk12u: 8218618: Program fails when using JDK addressed by UNC path and using Security Manager

[sean.mullan at oracle.com]

Changeset: 9e6a787ac435
Author:    mullan
Date:      2019-03-18 10:30 -0400
URL:       http://hg.openjdk.java.net/jdk-updates/jdk12u/rev/9e6a787ac435

8218618: Program fails when using JDK addressed by UNC path and using Security Manager
Reviewed-by: weijun

! src/java.base/share/classes/sun/security/provider/PolicyFile.java