Ruby

range.c: each on endless range

• range.c (range_each): endless range begins with string-like
  object should iterate from the converted result string, as well
  as #each on a string-end range or #step method on an endless
  range, i.e., begin.succ should not be called.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63283 b2dd03c8-39d4-4d8f-98ff-823fe69b080e