[PATCH] [DFSan] Don't include public headers in dfsan runtime code

[Peter Collingbourne]

  LGTM.

  As you know, I am opposed in principle to doing this. Once the blockers for building the sanitizer runtimes with -ffreestanding are fixed, I think we should change this back (and in general change the runtimes to use freestanding system headers).

http://llvm-reviews.chandlerc.com/D2179

BRANCH
  svn

ARCANIST PROJECT
  compiler-rt