hg: bsd-port/jdk8/jdk: . On OpenBSD always return false from MappedByteBuffer isLoaded

[kurt at intricatesoftware.com]

Changeset: 526b3b9f8cda
Author:    Kurt Miller <kurt at intricatesoftware.com>
Date:      2019-01-21 20:42 -0500
URL:       http://hg.openjdk.java.net/bsd-port/jdk8/jdk/rev/526b3b9f8cda

. On OpenBSD always return false from MappedByteBuffer isLoaded
because mincore(2) interface was removed for security purposes.

! src/solaris/native/java/nio/MappedByteBuffer.c