hg: jdk9/sandbox/hotspot: 8167424: Various trivial fixes in build system

[chris.hegarty at oracle.com]

Changeset: 069490f406c3
Author:    ihse
Date:      2016-10-11 09:49 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/069490f406c3

8167424: Various trivial fixes in build system
Reviewed-by: erikj, tbell

! make/lib/CompileGtest.gmk