hg: jdk9/hs-rt/hotspot: 8135097: Unmap failure for executable memory on windows

[jiangli.zhou at oracle.com]

Changeset: 4f3ddb6a2b70
Author:    jiangli
Date:      2015-09-14 14:55 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/4f3ddb6a2b70

8135097: Unmap failure for executable memory on windows
Summary: Use 'pd_release_memory' for executable memory in os::pd_unmap_memory().
Reviewed-by: iklam, coleenp

! src/os/windows/vm/os_windows.cpp