hg: jdk/sandbox: 8208635: Minimal VM build is broken after JDK-8199868 (Support JNI critical functions in object pinning API)

[chris.hegarty at oracle.com]

Changeset: 1129f9833589
Author:    zgu
Date:      2018-08-02 11:13 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/1129f9833589

8208635: Minimal VM build is broken after JDK-8199868 (Support JNI critical functions in object pinning API)
Summary: Added missing header file
Reviewed-by: shade, gziemski

! src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp