* bignum.c (validate_integer_pack_format): Renamed from
  validate_integer_format.
  (integer_pack_loop_setup): Renamed from integer_format_loop_setup.
  (integer_pack_fill_dd): Renamed from int_export_fill_dd.
  (integer_pack_take_lowbits): Renamed from int_export_take_lowbits.
  (integer_unpack_push_bits): Renamed from int_import_push_bits.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e