* bignum.c (bytes_2comp): Renamed from quad_buf_complement.
  (bary_pack): Use bytes_2comp.
  (rb_quad_pack): Use rb_integer_pack.
  (rb_quad_unpack): Use rb_integer_unpack.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41570 b2dd03c8-39d4-4d8f-98ff-823fe69b080e