Fix license comment
Fix license comment

kmaehashi/jubatus_core,kmaehashi/jubatus_core,kmaehashi/jubatus_core,kumagi/jubatus_core,gintenlabo/jubatus_core,kumagi/jubatus_core,kumagi/jubatus_core,gintenlabo/jubatus_core,rimms/jubatus_core,gintenlabo/jubatus_core,kumagi/jubatus_core,rimms/jubatus_core,gintenlabo/jubatus_core,rimms/jubatus_core,kmaehashi/jubatus_core,rimms/jubatus_core