[ruby-cvs:64925] akr:r57759 (trunk): refine a warning message.

[akr at ruby-lang.org]

akr	2017-03-03 08:33:06 +0900 (Fri, 03 Mar 2017)

  New Revision: 57759

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57759

  Log:
    refine a warning message.
    
    The "n" option for regexp, /.../n, is historical.
    It doesn't mean the regexp works as binary match since Ruby 1.9.

  Modified files:
    trunk/re.c
    trunk/test/ruby/test_m17n.rb