Add an untrusted NaCl build target for jsoncpp.

BUG=316353
R=mallinath@chromium.org,ronghuawu@chromium.org
CC=bradnelson@chromium.org,dmazzoni@chromium.org,dtseng@chromium.org,aboxhall@chromium.org

Review URL: https://codereview.chromium.org/62953015

git-svn-id: http://src.chromium.org/svn/trunk/src/third_party/jsoncpp@234073 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
4 files changed