Use ARCH_CPU_X86_FAMILY instead of SSE, for subnormal float disabler

MSC doesn't define SSE, so this wasn't working properly on Windows

Bug: 686253
Change-Id: I5e49e9dec43228288261160d8e9eede9b4a6bf75
Reviewed-on: https://chromium-review.googlesource.com/570351
Commit-Queue: Fernando Serboncini <fserb@chromium.org>
Reviewed-by: Vladimir Levin <vmpstr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#486517}
2 files changed