* ext/readline/readline.c (readline_s_set_point, Init_readline):
  add Readline.point=(pos). Patched by naruse.  [ruby-dev:47535]
  [Feature #8675]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42405 b2dd03c8-39d4-4d8f-98ff-823fe69b080e