6170fec251
Summary: The commit of option helper refactor broken the build: (1) a git merge problem (2) some uncaught compiler warning Fix it. Test Plan: Make sure "make all" passes Reviewers: anthony, IslamAbdelRahman, rven, kradhakrishnan, yhchiang Reviewed By: yhchiang Subscribers: leveldb, dhruba Differential Revision: https://reviews.facebook.net/D50943