Make buildable on no atomic 64bit operation environment such as PowerPC
Make buildable on no atomic 64bit operation environment such as PowerPC

It makes buildable but it's not recommended to use on the environment.
You will see many warning messages on build.

groonga/groonga,cosmo0920/groonga,redfigure/groonga,hiroyuki-sato/groonga,naoa/groonga,komainu8/groonga,hiroyuki-sato/groonga,kenhys/groonga,groonga/groonga,hiroyuki-sato/groonga,hiroyuki-sato/groonga,komainu8/groonga,kenhys/groonga,komainu8/groonga,naoa/groonga,groonga/groonga,redfigure/groonga,komainu8/groonga,naoa/groonga,groonga/groonga,komainu8/groonga,kenhys/groonga,naoa/groonga,redfigure/groonga,komainu8/groonga,cosmo0920/groonga,groonga/groonga,kenhys/groonga,cosmo0920/groonga,kenhys/groonga,cosmo0920/groonga,naoa/groonga,hiroyuki-sato/groonga,naoa/groonga,redfigure/groonga,cosmo0920/groonga,cosmo0920/groonga,kenhys/groonga,groonga/groonga,hiroyuki-sato/groonga,naoa/groonga,kenhys/groonga,cosmo0920/groonga,cosmo0920/groonga,redfigure/groonga,groonga/groonga,naoa/groonga,kenhys/groonga,komainu8/groonga,groonga/groonga,redfigure/groonga,komainu8/groonga,hiroyuki-sato/groonga,redfigure/groonga,redfigure/groonga,hiroyuki-sato/groonga