grn_ii_builder_flush_term: suppress sometimes-uninitialized warning
grn_ii_builder_flush_term: suppress sometimes-uninitialized warning

groonga/groonga,kenhys/groonga,komainu8/groonga,groonga/groonga,kenhys/groonga,groonga/groonga,groonga/groonga,kenhys/groonga,komainu8/groonga,kenhys/groonga,kenhys/groonga,komainu8/groonga,kenhys/groonga,komainu8/groonga,komainu8/groonga,komainu8/groonga,groonga/groonga,groonga/groonga,kenhys/groonga,komainu8/groonga,groonga/groonga,komainu8/groonga,kenhys/groonga,groonga/groonga