hg: jdk9/hs/hotspot: 8166930: minor cleanups 1) remove reference to ZIP_ReadMappedEntry 2) checking of st_mode

[calvin.cheung at oracle.com]

Changeset: a575b5865683
Author:    ccheung
Date:      2016-09-30 12:11 -0700
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/a575b5865683

8166930: minor cleanups 1) remove reference to ZIP_ReadMappedEntry 2) checking of st_mode
Reviewed-by: jiangli, lfoltan

! src/share/vm/classfile/classLoader.cpp
! src/share/vm/logging/logFileOutput.cpp
! src/share/vm/memory/filemap.cpp