geo: return the value of correct distance according to quadrant type
geo: return the value of correct distance according to quadrant type

Support to calculate the value of distance across the equator in
eastern/western hemisphere. (4th quadrant to 2nd one)

refs #1534

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