mruby: Wrap grn_scan_info_set_op() and grn_scan_info_set_end() in ruby method
mruby: Wrap grn_scan_info_set_op() and grn_scan_info_set_end() in ruby method

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