An empty INDEX is not handled correctly. 
An empty INDEX is not handled correctly. 

Review URL: http://codereview.chromium.org/419002 (private mode)

BUG=27127
TEST=Run "./idempotent 5754b8aa8a95cc6d4e16e7e47ce0c315.ttf" and verify that the ttf file is rejected by the command. 



irori/ots,davelab6/ots,anthrotype/ots,anthrotype/ots,davelab6/ots,khaledhosny/ots,irori/ots