Ruby

win32.c: limit write size on console

• win32/win32.c (constat_parse): split long buffer and limit write
  size on a console, as well as rb_w32_write.
  [ruby-dev:50597] [Bug #14942]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e