[hunspell] Fix read from uninit memory.

BUG=377728
R=avi@chromium.org, rlp@chromium.org
TBR=darin@chromium.org

Review URL: https://codereview.chromium.org/300233002

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/hunspell@273952 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
3 files changed