Always compile libFuzzer with no coverage

Do not compile libFuzzer itself with coverage, regardless of LLVM variables

Differential Revision: https://reviews.llvm.org/D36887

git-svn-id: svn://svn.chromium.org/llvm-project/llvm/trunk/lib/Fuzzer@311374 0b72dbe1-c17f-4bc7-b9db-2b4152be0356
1 file changed