* bignum.c (BARY_MUL1): Renamed from BARY_MUL.
  (bary_mul1): Renamed from bary_mul.
  (bary_mul): Renamed from bary_mul2.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e