hg: build-infra/jdk9/hotspot: Dtrace fixes. Hopefully it's more correct and somewhat more readable now.

[magnus.ihse.bursie at oracle.com]

Changeset: 0d87a5bb9c5d
Author:    ihse
Date:      2016-01-26 00:10 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/0d87a5bb9c5d

Dtrace fixes. Hopefully it's more correct and somewhat more readable now.

+ makefiles/gensrc/GensrcDtrace.gmk
! makefiles/lib/CompileDtrace.gmk
! makefiles/lib/CompileLibraries.gmk