[cmake] enable x86 libfuzzer on Windows

    - recent commit https://reviews.llvm.org/D66433 enabled libfuzzer
    to build on windows, this just enables the option to build as part
    of the the regular build.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@370390 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed