Update pnacl/DEPS for libstdc++
Update pnacl/DEPS for libstdc++

Pulls in C++11 change.

TBR= dschuff@chromium.org
TEST= ./scons small_tests bitcode=1
BUG= none

Review URL: https://codereview.chromium.org/22650011

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@11985 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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