Update libc++ version
Update libc++ version

Pull in the following change from the libc++ repo:

    libc++: fix the traps numeric_limits test

    We have a localmod in <limits> but not in the test. I'll update
    libcxx_known_failures.txt with the LLVM 3.5 roll, and update COMPONENT_REVISIONS
    at the same time.

TBR=dschuff@chromium.org
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3930
TEST= ./pnacl/scripts/llvm-test.py --libcxx-tests

Review URL: https://codereview.chromium.org/751013003

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@14141 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client