* include/ruby/intern.h (rb_big2str0): Deprecated.

* bignum.c (rb_big2str1): Renamed from rb_big2str0.
  (rb_big2str0): Deprecated wrapper for rb_big2str1.
  (rb_big2str): Invoke rb_big2str1 instead of rb_big2str0.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41987 b2dd03c8-39d4-4d8f-98ff-823fe69b080e