io.c: write a newline together
io.c: write a newline together

* io.c (rb_io_puts): write a newline together at once for each
  argument.  based on the patch by rohitpaulk (Rohit Kuruvilla) at
  [ruby-core:83508].  [Feature#14042]

git-svn-id: ab86ecd26fe50a6a239cacb71380e346f71cee7d@60417 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ruby/spec,eregon/rubyspec,nobu/rubyspec,ruby/rubyspec,nobu/rubyspec,ruby/rubyspec,ruby/spec,nobu/rubyspec,eregon/rubyspec,ruby/spec,eregon/rubyspec