Fix cpplint.
Fix cpplint.

elkingtonmcb/jubatus,jubatus/jubatus,rimms/jubatus,Asuka52/jubatus,jubatus/jubatus,rimms/jubatus,jubatus/jubatus,roselleebarle04/jubatus,kmaehashi/jubatus,elkingtonmcb/jubatus,mathn/jubatus,gintenlabo/jubatus,kmaehashi/jubatus,Asuka52/jubatus,gintenlabo/jubatus,mathn/jubatus,roselleebarle04/jubatus