Added #include <cstdlib> for free(3).
Added #include <cstdlib> for free(3).

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