[ruby-cvs:62725] nagachika:r55561 (ruby_2_3): merge revision(s) 55427: [Backport #12503]

[nagachika at ruby-lang.org]

nagachika	2016-07-02 04:09:29 +0900 (Sat, 02 Jul 2016)

  New Revision: 55561

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55561

  Log:
    merge revision(s) 55427: [Backport #12503]
    
    * string.c (tr_trans): consider terminator length and fix heap
      overflow.  reported by Guido Vranken <guido AT guidovranken.nl>.

  Modified directories:
    branches/ruby_2_3/
  Modified files:
    branches/ruby_2_3/ChangeLog
    branches/ruby_2_3/string.c
    branches/ruby_2_3/version.h