NSS: update to 3.12.6 RC0

http://codereview.chromium.org/606034

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/nss@39095 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
18 files changed
tree: d925ea9ab6d9346b83de72e338c3d44e361c697c
  1. mozilla/
  2. patches/
  3. scripts/
  4. nss.gyp
  5. README.chromium