Review request: JDK-8006193 (process) Clean-up java.lang.ProcessImpl.finalize, does not need to be public.

[Alexey Utkin]

Bug description:
https://jbs.oracle.com/bugs/browse/JDK-8006193
    http://bugs.sun.com/view_bug.do?bug_id=8006193

Here is the suggested trivial fix:
    http://cr.openjdk.java.net/~uta/openjdk-webrevs/JDK-8006193/

Summary:
    Makes [FindBug] code analyzer happy.
-    public void finalize() {
+    protected void finalize() {

Regards,
-uta